biconcavity

基本解釋

Concave on both surfaces;biconcave.
雙面均凹進(jìn)的；
In most mammals mature erythrocytes are biconcave disks that have no nuclei.
在多數(shù)哺乳動物中，成熟紅細(xì)胞呈雙凹面盤樣，無細(xì)胞核。
Of biconcave of computer clavier biconvex sheltered evil people and practices the most easily, cleanness rises special inconvenience.
電腦鍵盤凸凸凹凹的最輕易藏污納垢了，清潔起來非常不方便。
This article introduces rolling installment structure of the biconcave slide wedge shaped lamina and the parameter of motion design.
介紹了雙凹面斜楔形薄板輥軋裝置結(jié)構(gòu)和運(yùn)動參數(shù)設(shè)計。
Red blood cell with a biconcave disc shape is to provide a large surface area to volume ratio to facilitate the diffusion of gases. (NOT to carry more oxygen.
紅血球的雙凹面圓盤形可以增加它的表面積(不是增加它所帶的氧氣),以利氣體的擴(kuò)散。