我们州内的一些木材公司在砍伐树木时采取了完全砍伐光的过分做法，我对此感到不快，于是指派史蒂夫·史密斯率领一个特别小组去调查此事。
I was upset by what I thought were excessive clear-cutting practices by some of our timber companies and appointed Steve Smith to head a task force to look into it.
经过分析，该装置不仅能完成偏振光的干涉实验，而且可以测定晶体的折射率或折射率分布情况。
These devices can not only accomplish polarized light interference experiment, but also measure the refractivity or refractive index profile of crystal.
通过分析水平分光光路和保偏光纤特性，找出产生对射光功率波动的原因，并给出一种简单实用的解决方案。
By analyzing the horizontal optical system and the feature of PMF, we found the reason and report a simply but available project for the problem.
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