本文首先研究了光束传输法数值分析纵向折射率连续变化光波导的单向光波传输过程。
The paper first studies beam propagation method which is used in numerical analysis of one-way process of an optical waveguide with continuous longitudinal refractive index.
分析了单向光电三角高程测量的误差来源，在此基础上推导了最佳测站位置离测点的平距公式。
Based on the error resource analysis in one-way photoelectric triangulated heigh survey, the horizontal distance equation is drawn for optimal station away from survey point.
灭蚊见光工作面积大、四周使用效率高，无单向光之弊，不用药物、无毒、无污染，对人畜绝无毒害。
See the work of anti-mosquito-ray large area around the use of high efficiency, without the disadvantages of one-way light, no drugs, non-toxic, no pollution, no toxicity to humans and animals.
灭蚊见光工作面积大、四周使用效率高，无单向光之弊，不用药物、无毒、无污染，对人畜绝无毒害。
See the work of anti-mosquito-ray large area around the use of high efficiency, without the disadvantages of one-way light, no drugs, non-toxic, no pollution, no toxicity to humans and animals.
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