Dab tsi yog concave side?
Dab tsi yog concave side?

Video: Dab tsi yog concave side?

Video: Dab tsi yog concave side?
Video: Yog Tsis Yog Wb - NorthSide Twins (OFFICIAL VIDEO RELEASE) 2024, Kaum ib hlis
Anonim

concave . Concave piav qhia txog qhov nkhaus sab hauv; nws opposite, convex, piav txog ib tug nkhaus uas bulges sab nraud. Lawv yog siv los piav qhia txog cov nkhaus nkhaus, zoo li cov hom pom hauv daim iav lossis lo ntsiab muag. Yog tias koj xav piav qhia txog lub tais, koj tuaj yeem hais tias muaj qhov xiav xiav loj ntawm qhov chaw nruab nrab concave sab.

Yog li ntawd, txoj kev twg yog concave?

Concave yog ib qho adjective uas piav txog qhov chaw uas nkhaus sab hauv, los yog thinner nyob rau hauv nruab nrab tshaj ntawm cov npoo. Hauv kev siv tib yam, concave thiab convex feem ntau yog siv thaum xa mus rau iav qhov chaw, xws li lo ntsiab muag ntawm cov khoom siv kho qhov muag. Cov sab iav ntawm ib lub tsheb muaj ib concave nto.

Qhov thib ob, koj siv concave hauv kab lus li cas? ?

  1. Thaum lub lens convex tig tawm sab nraud, lub lens concave khoov sab hauv.
  2. Kuv cov lo ntsiab muag muaj cov duab concave uas tso cai rau lawv rub rau hauv thiab pom cov duab ntse.
  3. Yog tias koj nias lub cantaloupe thiab nws ua concave thiab khoov, ces koj paub tias cov txiv hmab txiv ntoo yog siav dhau lawm.

Tsis tas li ntawd, lub ntsiab txhais ntawm concave thiab convex yog dab tsi?

Convex thiab concave yog ob lo lus uas piav txog ib kab lossis cov duab, feem ntau hauv kev ua lej, kev tshawb fawb, lossis kev sib raug zoo rau tsom iav thiab tsom iav. Thaum convex txhais tau tias khoov los yog protrude sab nraud, concave yog qhov opposite thiab txhais tau tias khoov sab hauv.

Dab tsi yog qhov concave sab ntawm scoliosis?

Cov concave sab yog luv luv sab ntawm tus txha nraub qaum thiab muaj cov leeg nruj, luv luv uas tiv taus kev qaug zog sai. Cov nqaij ntshiv no yuav tsum tau nquag ncab. Qhov chaw zoo pib rau txhua tus neeg nrog ib scoliosis yog txhawm rau txiav txim siab lawv cov qauv ua pa kom ua kom zoo dua tag nrho lub ntsws ua haujlwm.

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