dynameter中文什么意思
发音:
n.
【物理学】(望远镜的)倍率计。
【物理学】(望远镜的)倍率计。
百科释义
A dynameter is an instrument that measures the magnification of a telescope. It is usually a double-image micrometer used to measure the diameter of the image of the object glass.
详细百科解释