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自准直目镜
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自准直目镜
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大地测量仪器
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auto collimation eyepiece
自准直目镜
加载在目视设备上一种可更换的望远镜目镜。仪器换装了自准直目镜后,具有自准直功能。可以用来传递角度,也可以进行直线度、平面度测量。
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positive energy wave
positive entropy
positive excess coefficient
positive existential sentence
positive extension
positive eyepiece
positive feedback
positive feedback amplifier
positive film
positive flower structure
positive formula
positive function
positive functional
positive fundamental sequence
positive glow
positive Grassmannian
positive half-trajectory
positive helicity spinors
positive Hermitian kernel
positive Hermitian operator
positive homogeneous function
positive hull
positive image
positive index of inertia
positive infinity
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