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
A couple of weeks.
两、三个星期吧。
Hoist your sail when the wind is fair.
随机应变。
He entered the cell and presented the letter to the aristocrat.
狱卒走进牢房，将信交给贵族。