{"id":25,"date":"2026-04-04T10:08:00","date_gmt":"2026-04-04T03:08:00","guid":{"rendered":"http:\/\/theforestakhangdien.com\/?p=25"},"modified":"2026-04-04T10:08:00","modified_gmt":"2026-04-04T03:08:00","slug":"dien-tich-thong-thuy-va-dien-tich-tim-tuong-khac-nhau-the-nao","status":"publish","type":"post","link":"https:\/\/theforestakhangdien.com\/?p=25","title":{"rendered":"Di\u1ec7n t\u00edch th\u00f4ng th\u1ee7y v\u00e0 di\u1ec7n t\u00edch tim t\u01b0\u1eddng kh\u00e1c nhau th\u1ebf n\u00e0o"},"content":{"rendered":"<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/theforestakhangdien.com\/wp-content\/uploads\/2026\/06\/bc_412_19337.jpg\" alt=\"\"\/><\/figure>\n<p>M\u1ed9t trong nh\u1eefng \u0111i\u1ec1u khi\u1ebfn ng\u01b0\u1eddi mua c\u0103n h\u1ed9 chung c\u01b0 b\u1ed1i r\u1ed1i nh\u1ea5t ch\u00ednh l\u00e0 c\u00e1ch t\u00ednh di\u1ec7n t\u00edch. C\u00f9ng m\u1ed9t c\u0103n h\u1ed9 nh\u01b0ng con s\u1ed1 di\u1ec7n t\u00edch c\u00f3 th\u1ec3 ch\u00eanh nhau v\u00e0i m\u00e9t vu\u00f4ng t\u00f9y theo ph\u01b0\u01a1ng ph\u00e1p \u0111o, v\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ed1 ti\u1ec1n b\u1ea1n ph\u1ea3i tr\u1ea3 c\u0169ng nh\u01b0 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c. Hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa di\u1ec7n t\u00edch th\u00f4ng th\u1ee7y v\u00e0 di\u1ec7n t\u00edch tim t\u01b0\u1eddng l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng m\u00e0 b\u1ea5t k\u1ef3 ng\u01b0\u1eddi mua nh\u00e0 n\u00e0o c\u0169ng c\u1ea7n n\u1eafm v\u1eefng.<\/p>\n<h2>Di\u1ec7n t\u00edch th\u00f4ng th\u1ee7y \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>Di\u1ec7n t\u00edch th\u00f4ng th\u1ee7y, c\u00f2n g\u1ecdi l\u00e0 di\u1ec7n t\u00edch l\u1ecdt l\u00f2ng hay di\u1ec7n t\u00edch s\u1eed d\u1ee5ng, l\u00e0 ph\u1ea7n di\u1ec7n t\u00edch m\u00e0 b\u1ea1n th\u1ef1c s\u1ef1 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c b\u00ean trong c\u0103n h\u1ed9. C\u00e1ch t\u00ednh n\u00e0y l\u1ea5y ph\u1ea7n kh\u00f4ng gian b\u00ean trong c\u00e1c b\u1ee9c t\u01b0\u1eddng bao, t\u1ee9c l\u00e0 ph\u1ea7n m\u00e0 n\u01b0\u1edbc c\u00f3 th\u1ec3 lan t\u1edbi n\u1ebfu b\u1ea1n \u0111\u1ed5 n\u01b0\u1edbc ra s\u00e0n, t\u1eeb \u0111\u00f3 c\u00f3 t\u00ean g\u1ecdi th\u00f4ng th\u1ee7y. Di\u1ec7n t\u00edch n\u00e0y bao g\u1ed3m c\u1ea3 ph\u1ea7n di\u1ec7n t\u00edch c\u1ee7a t\u01b0\u1eddng ng\u0103n c\u00e1c ph\u00f2ng b\u00ean trong c\u0103n h\u1ed9 v\u00e0 di\u1ec7n t\u00edch ban c\u00f4ng, l\u00f4 gia, nh\u01b0ng kh\u00f4ng t\u00ednh ph\u1ea7n t\u01b0\u1eddng bao ngo\u00e0i, c\u1ed9t ch\u1ecbu l\u1ef1c v\u00e0 h\u1ed9p k\u1ef9 thu\u1eadt n\u1eb1m b\u00ean trong c\u0103n h\u1ed9.<\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00e1ch t\u00ednh c\u00f3 l\u1ee3i cho ng\u01b0\u1eddi mua v\u00ec n\u00f3 ph\u1ea3n \u00e1nh \u0111\u00fang kh\u00f4ng gian s\u1ed1ng th\u1ef1c t\u1ebf. B\u1ea1n tr\u1ea3 ti\u1ec1n cho ph\u1ea7n b\u1ea1n th\u1ef1c s\u1ef1 d\u00f9ng \u0111\u01b0\u1ee3c, kh\u00f4ng ph\u1ea3i tr\u1ea3 cho nh\u1eefng b\u1ee9c t\u01b0\u1eddng d\u00e0y hay c\u1ed9t b\u00ea t\u00f4ng m\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 t\u1eadn d\u1ee5ng. Hi\u1ec7n nay \u0111a s\u1ed1 h\u1ee3p \u0111\u1ed3ng mua b\u00e1n \u0111\u1ec1u ghi di\u1ec7n t\u00edch theo ph\u01b0\u01a1ng ph\u00e1p th\u00f4ng th\u1ee7y, v\u00e0 \u0111\u00e2y c\u0169ng l\u00e0 con s\u1ed1 \u0111\u01b0\u1ee3c ghi tr\u00ean s\u1ed5 h\u1ed3ng.<\/p>\n<h2>Di\u1ec7n t\u00edch tim t\u01b0\u1eddng v\u00e0 l\u00fd do n\u00f3 l\u1edbn h\u01a1n<\/h2>\n<p>Di\u1ec7n t\u00edch tim t\u01b0\u1eddng, hay di\u1ec7n t\u00edch ph\u1ee7 b\u00ec, \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb t\u00e2m c\u1ee7a c\u00e1c b\u1ee9c t\u01b0\u1eddng bao quanh c\u0103n h\u1ed9, bao g\u1ed3m c\u1ea3 t\u01b0\u1eddng bao ngo\u00e0i, t\u01b0\u1eddng ng\u0103n gi\u1eefa c\u00e1c c\u0103n h\u1ed9, c\u1ed9t v\u00e0 h\u1ed9p k\u1ef9 thu\u1eadt. V\u00ec c\u1ed9ng th\u00eam ph\u1ea7n di\u1ec7n t\u00edch c\u1ee7a c\u00e1c k\u1ebft c\u1ea5u n\u00e0y n\u00ean di\u1ec7n t\u00edch tim t\u01b0\u1eddng lu\u00f4n l\u1edbn h\u01a1n di\u1ec7n t\u00edch th\u00f4ng th\u1ee7y, th\u00f4ng th\u01b0\u1eddng ch\u00eanh l\u1ec7ch kho\u1ea3ng v\u00e0i ph\u1ea7n tr\u0103m t\u00f9y thi\u1ebft k\u1ebf. M\u1ed9t c\u0103n h\u1ed9 c\u00f3 th\u1ec3 ghi 70 m\u00e9t vu\u00f4ng theo tim t\u01b0\u1eddng nh\u01b0ng ch\u1ec9 c\u00f2n kho\u1ea3ng 65 m\u00e9t vu\u00f4ng theo th\u00f4ng th\u1ee7y.<\/p>\n<p>V\u1ea5n \u0111\u1ec1 n\u1ea3y sinh khi ch\u1ee7 \u0111\u1ea7u t\u01b0 qu\u1ea3ng c\u00e1o v\u00e0 t\u00ednh ti\u1ec1n theo di\u1ec7n t\u00edch tim t\u01b0\u1eddng nh\u01b0ng ng\u01b0\u1eddi mua l\u1ea1i ngh\u0129 r\u1eb1ng \u0111\u00f3 l\u00e0 kh\u00f4ng gian s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. K\u1ebft qu\u1ea3 l\u00e0 khi nh\u1eadn nh\u00e0, nhi\u1ec1u ng\u01b0\u1eddi ng\u1ee1 ng\u00e0ng v\u00ec c\u0103n h\u1ed9 nh\u1ecf h\u01a1n so v\u1edbi h\u00ecnh dung. \u0110\u00e2y kh\u00f4ng h\u1eb3n l\u00e0 l\u1eeba \u0111\u1ea3o n\u1ebfu h\u1ee3p \u0111\u1ed3ng ghi r\u00f5 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh, nh\u01b0ng n\u00f3 t\u1ea1o c\u1ea3m gi\u00e1c h\u1ee5t h\u1eabng v\u00e0 \u0111\u00f4i khi l\u00e0 ngu\u1ed3n c\u01a1n tranh ch\u1ea5p.<\/p>\n<h2>V\u00ec sao b\u1ea1n c\u1ea7n bi\u1ebft r\u00f5 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh trong h\u1ee3p \u0111\u1ed3ng<\/h2>\n<p>Khi xem h\u1ee3p \u0111\u1ed3ng, h\u00e3y t\u00ecm \u0111i\u1ec1u kho\u1ea3n ghi r\u00f5 di\u1ec7n t\u00edch c\u0103n h\u1ed9 \u0111\u01b0\u1ee3c t\u00ednh theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0o. N\u1ebfu h\u1ee3p \u0111\u1ed3ng ghi theo th\u00f4ng th\u1ee7y, b\u1ea1n y\u00ean t\u00e2m h\u01a1n v\u00ec \u0111\u00f3 l\u00e0 con s\u1ed1 s\u1eed d\u1ee5ng th\u1ef1c. N\u1ebfu ghi theo tim t\u01b0\u1eddng, b\u1ea1n c\u1ea7n t\u1ef1 nh\u1ea9m t\u00ednh l\u1ea1i \u0111\u01a1n gi\u00e1 th\u1ef1c t\u1ebf tr\u00ean m\u1ed7i m\u00e9t vu\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ec3 so s\u00e1nh c\u00f4ng b\u1eb1ng gi\u1eefa c\u00e1c d\u1ef1 \u00e1n. \u0110\u1eebng \u0111\u1ec3 b\u1ecb \u0111\u00e1nh l\u1eeba b\u1edfi \u0111\u01a1n gi\u00e1 th\u1ea5p tr\u00ean gi\u1ea5y m\u00e0 th\u1ef1c ch\u1ea5t di\u1ec7n t\u00edch d\u00f9ng \u0111\u01b0\u1ee3c l\u1ea1i \u00edt.<\/p>\n<h2>X\u1eed l\u00fd ch\u00eanh l\u1ec7ch di\u1ec7n t\u00edch khi b\u00e0n giao<\/h2>\n<p>Trong th\u1ef1c t\u1ebf, di\u1ec7n t\u00edch th\u1ef1c t\u1ebf khi \u0111o \u0111\u1ea1c l\u00fac b\u00e0n giao c\u00f3 th\u1ec3 ch\u00eanh so v\u1edbi h\u1ee3p \u0111\u1ed3ng. H\u1ee3p \u0111\u1ed3ng t\u1ed1t s\u1ebd quy \u0111\u1ecbnh c\u01a1 ch\u1ebf b\u00f9 tr\u1eeb: n\u1ebfu di\u1ec7n t\u00edch th\u1ef1c t\u1ebf nh\u1ecf h\u01a1n, ch\u1ee7 \u0111\u1ea7u t\u01b0 ho\u00e0n l\u1ea1i ti\u1ec1n ph\u1ea7n thi\u1ebfu; n\u1ebfu l\u1edbn h\u01a1n, ng\u01b0\u1eddi mua \u0111\u00f3ng th\u00eam. Tuy nhi\u00ean c\u1ea7n c\u00f3 ng\u01b0\u1ee1ng dung sai h\u1ee3p l\u00fd, th\u01b0\u1eddng cho ph\u00e9p ch\u00eanh l\u1ec7ch trong kho\u1ea3ng v\u00e0i ph\u1ea7n tr\u0103m. Khi nh\u1eadn nh\u00e0, b\u1ea1n n\u00ean thu\u00ea \u0111\u01a1n v\u1ecb \u0111o \u0111\u1ea1c \u0111\u1ed9c l\u1eadp ho\u1eb7c t\u1ef1 ki\u1ec3m tra k\u1ef9 \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m di\u1ec7n t\u00edch \u0111\u00fang cam k\u1ebft, \u0111\u1eb7c bi\u1ec7t v\u1edbi nh\u1eefng c\u0103n h\u1ed9 l\u1edbn n\u01a1i m\u1ed7i m\u00e9t vu\u00f4ng ch\u00eanh l\u1ec7ch l\u00e0 m\u1ed9t kho\u1ea3n ti\u1ec1n kh\u00f4ng nh\u1ecf.<\/p>\n<h2>L\u1eddi khuy\u00ean th\u1ef1c t\u1ebf khi \u0111\u00e1nh gi\u00e1 kh\u00f4ng gian<\/h2>\n<p>Ngo\u00e0i con s\u1ed1 tr\u00ean gi\u1ea5y, b\u1ea1n n\u00ean \u0111\u1ebfn xem nh\u00e0 m\u1eabu ho\u1eb7c c\u0103n h\u1ed9 th\u1ef1c \u0111\u1ec3 c\u1ea3m nh\u1eadn kh\u00f4ng gian. Hai c\u0103n c\u00f9ng di\u1ec7n t\u00edch th\u00f4ng th\u1ee7y v\u1eabn c\u00f3 th\u1ec3 cho c\u1ea3m gi\u00e1c kh\u00e1c nhau t\u00f9y c\u00e1ch b\u1ed1 tr\u00ed, s\u1ed1 l\u01b0\u1ee3ng c\u1ed9t chi\u1ebfm ch\u1ed7, chi\u1ec1u cao tr\u1ea7n v\u00e0 \u0111\u1ed9 th\u00f4ng tho\u00e1ng c\u1ee7a c\u1eeda s\u1ed5. H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn di\u1ec7n t\u00edch s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3, t\u1ee9c l\u00e0 ph\u1ea7n di\u1ec7n t\u00edch th\u1ef1c s\u1ef1 k\u00ea \u0111\u01b0\u1ee3c \u0111\u1ed3 v\u00e0 sinh ho\u1ea1t tho\u1ea3i m\u00e1i. M\u1ed9t c\u0103n h\u1ed9 thi\u1ebft k\u1ebf th\u00f4ng minh v\u1edbi \u00edt g\u00f3c ch\u1ebft s\u1ebd cho tr\u1ea3i nghi\u1ec7m s\u1ed1ng t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi c\u0103n c\u00f3 di\u1ec7n t\u00edch l\u1edbn h\u01a1n tr\u00ean gi\u1ea5y nh\u01b0ng b\u1ed1 tr\u00ed k\u00e9m. Hi\u1ec3u r\u00f5 c\u00e1ch t\u00ednh di\u1ec7n t\u00edch gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 \u0111\u00fang gi\u00e1 tr\u1ecb v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t trong nh\u1eefng \u0111i\u1ec1u khi\u1ebfn ng\u01b0\u1eddi mua c\u0103n h\u1ed9 chung c\u01b0 b\u1ed1i r\u1ed1i nh\u1ea5t ch\u00ednh l\u00e0 c\u00e1ch t\u00ednh di\u1ec7n t\u00edch.<\/p>\n","protected":false},"author":0,"featured_media":24,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[1],"tags":[],"class_list":["post-25","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-phan-loai"],"_links":{"self":[{"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=\/wp\/v2\/posts\/25","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25"}],"version-history":[{"count":0,"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=\/wp\/v2\/posts\/25\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=\/wp\/v2\/media\/24"}],"wp:attachment":[{"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theforestakhangdien.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}