释义 |
bi·con·cave AHD[bī'kŏn-kāvʹ, bī-kŏnʹkāv'] D.J.[ˌbaɪkɒnˈkeɪv, baɪˈkɒnˌkeɪv]K.K.[ˌbaɪkɑnˈkev, baɪˈkɑnˌkev]adj.(形容词)biconcave lensPrecision Graphics- Concave on both sides or surfaces:两面凹的:两侧或两面凹陷的:a biconcave lens.凹面镜
bi'concavʹity AHD[-kăvʹĭ-tē] (名词) |