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等高棱镜
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等高棱镜
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大地测量仪器
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contour prism
等高棱镜
天文测量仪器中,棱镜等高仪的主要部件。用于观测经过同一等高圈的一组恒星,记录通过的时刻并测出经度和纬度。常见的等高棱镜有60°和45°。
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semi conductor detector
semi-conductor detector
semiconductor detector
semiconductor device
semiconductor device analyzer
semiconductor devices testing system
semiconductor diode
semiconductor electronics
semiconductor element
semiconductor energy converter
semiconductor gas sensor
semiconductor glass
semiconductor heterojunction
semiconductor homojunction
semiconductor integrated optics
semiconductor laser
semiconductor laser diode stack
semiconductor laser materials
semiconductor laser materials for communication
semiconductor laser materials for optical recording and storage
semiconductor laser single emitter
semiconductor lighting
semiconductor lighting deevice
semiconductor lighting detection technology
semiconductor lighting equipments
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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