对于火炮这样一些设备，则采用机械式刻度盘及光学分划装置加以测量。
For some equipment like artillery, it USES mechanical dials and optical division equipment to measure.
使用光纤锥可以通过其产生的倏逝场，来耦合微盘腔中的回音壁模式，从而获得对微盘腔光学性质的考察。
A fiber taper can evanescently couple to whispering gallery modes (WGMs) in a planar silica microdisk for observing the optical properties of the microdisk cavity.
本仪器由标准色盘、观察光学镜头、光源、比色管组成。
The apparatus consists of the standard color plate, optical lens, the light source was observed, colorimetric tube.
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