Dynameter

[dai'næmitә]

解释:

(n.) A dynamometer.

(n.) An instrument for determining the magnifying power of telescopes, consisting usually of a doubleimage micrometer applied to the eye end of a telescope for measuring accurately the diameter of the image of the object glass there formed; which measurement, compared with the actual diameter of the glass, gives the magnifying power.

詹妮校对

解释:

n. an instrument for measuring the magnifying power of a telescope.—adj. Dynamet′rical pertaining to a dynameter.

录入:莱尔