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
Fine. How much would you like to exchange, sir?
好的。您要兑换多少呢，先生？
He who despises small things seldom grows rich.
小钱不计，大钱不聚。
For this reason there is no risk to the customer in the practice,
因此，这种做法对储户毫无风险。