针对用运动补偿增加成像光谱仪能量积分时间的情况，推导出了其地面分辨率和望远系统焦距选择的一般表达式。
The general expressions of the ground resolution and the telescope focal length for an imaging spectrometer were deduced to investigate the increase of energy integral time with motion compensation.
介绍了含有棱镜系统的数字光处理器(DLP)投影仪连续变焦距远心镜头的设计。
The continuous telecentric zoom lens for a digital light processor (DLP) projector with prisms is presented.
本发明提供一种手持式固定焦距排卵测试仪，该排卵测试仪包含具有 顶端和底端的内套（1）；
The present invention provides a fixed focus handy ovulation tester, the said ovulation tester comprising an inner casing (1), having a top and a bottom end;
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