noun, plural con·cav·ities rau 2. lub xeev los yog zoo of being concave. concave nto los yog khoom; kab noj hniav.
txhais lo lus concavity yog dab tsi?
1: kab concave, nto, lossis qhov chaw: hollow. 2: qhov zoo los yog lub xeev ntawm concave.
Dab tsi yog lo lus concavity?
Nyob hauv nplooj ntawv no koj tuaj yeem tshawb pom 21 cov lus sib piv, cov lus hais tawm, cov lus hais tsis zoo, thiab cov lus hais txog kev sib cav, xws li: kev nyuaj siab, indentation, impression, qhov, phiab, poob, hollow, qhov, sag, dab dej thiab dab dej.
me me concavity txhais li cas?
ib qho concavity nyob rau hauv ib qho chaw (tshwj xeeb tshaj yog kev nyuaj siab anatomical) ces kaum, niche, so, kev lag luam. a me me concavity . bowl, khob. daim duab concave nrog qhib sab saum toj.
Koj siv lo lus concave li cas?
Cov lus hauv kab lus ?
- Thaum lub lens convex tig mus rau sab nraud, lub lens concave khoov sab hauv.
- Kuv cov lo ntsiab muag muaj cov duab concave uas tso cai rau lawv rub tawm thiab pom cov duab kom pom tseeb.
- Yog koj nias lub cantaloupe thiab nws ua concave thiab khoov, ces koj paub tias cov txiv hmab txiv ntoo siav dhau lawm.
