biconcavity

基本解释

• adj.两面凹的

同根派生

英汉例句

• Concave on both surfaces;biconcave.
  双面均凹进的；
• In most mammals mature erythrocytes are biconcave disks that have no nuclei.
  在多数哺乳动物中，成熟红细胞呈双凹面盘样，无细胞核。
• Of biconcave of computer clavier biconvex sheltered evil people and practices the most easily, cleanness rises special inconvenience.
  电脑键盘凸凸凹凹的最轻易藏污纳垢了，清洁起来非常不方便。
• This article introduces rolling installment structure of the biconcave slide wedge shaped lamina and the parameter of motion design.
  介绍了双凹面斜楔形薄板辊轧装置结构和运动参数设计。
• 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.
  红血球的双凹面圆盘形可以增加它的表面积(不是增加它所带的氧气),以利气体的扩散。