Apertometer
数值孔径计, 数值口径计, 物镜口径计, 开角机
🔁 扩展释义
【医】 物镜口径计
🗣️ 情景例句
How are you doing, Richard?
现在怎么样， Richard？
He who makes no mistakes makes nothing.
不犯错误者一事无成。
Everything has its beginning.
凡事都有开端。