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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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twelve elements theory
Twelve floors
twelve forms of movement in Wushu
Twelve General-in-chief
twelve gods of music
Twelve hour
Twelve Images of Water
twelve imperial symbols
twelve Jupiter-stations
twelve manipulations
Twelve Meridians
Twelve Minor Prophets
Twelve Monkeys
twelve muscle regions
twelve pile of Emei wushu
twelve-point sphere
Twelve Regular Channels
Twelve Regular Meridians
Twelve Scenes of Mountains and Rivers by Xia Gui
twelve "suchness of existents" (bhūtatathatā)
twelve techniques of needling
twelve tone equal temperament
twelve-tone music
twelve tribes
twelve types of drama
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