The primary mirror is an important component of optical system applied on a space telescope, and its thermal optics property is the guideline to thermal design and control.
主镜是空间望远镜光学系统的重要组成元件，其热光学特性将为光学系统的热控设计提供依据。
Its refractive index is higher than that of the traditional optical fiber material, silica, so silicon nitride has good optics confinement property.
其折射率比传统用作光纤的石英的折射率高，对光有较好的约束性能，因此在光波导方面可能会有更好的应用前景。
In this paper, the property of radar target in the optics region is investigated on the basis of polarimetric and high resolution radar system.
在全极化、高距离分辨力雷达体制背景下，研究了光学区雷达目标极化特性。
In this paper, the property of radar target in the optics region is investigated on the basis of polarimetric and high resolution radar system.
在全极化、高距离分辨力雷达体制背景下，研究了光学区雷达目标极化特性。
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