adj.兩面凹的

Concave on both surfaces;biconcave. 雙面均凹進的；

In most mammals mature erythrocytes are biconcave disks that have no nuclei. 在多數(shù)哺乳動物中，成熟紅細胞呈雙凹面盤樣，無細胞核。

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構和運動參數(shù)設計。

This CBC demonstrates findings suggestive of spherocytosis, a condition in which the RBC's are small and round (rather than the normal biconcave appearance) with increased hemoglobin content. 大多數(shù)RBC體積很小，并且缺乏中部蒼白的區(qū)域，是球形紅細胞。