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准线望远镜
释义
准线望远镜
Encyclopedia
工学
光学测试仪器
释
collimating telescope
准线望远镜
通过在空间建立一条光学基准视线(准线)来测量试件同轴度的光学校准仪器。用于观察和测量目标在水平与铅垂方向上相对于准线的偏离。又称准直望远镜、准直瞄准器。
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Pearl Harbor Incident
pearlite
pearl mica
pearl millet
pearl of Sluze
pearl oyster
pearl oysters
Pearl Pagoda
Pearl Poet
Pearl-Reed curve
Pearl River
Pearl River delta agriculture
Pearl River delta economic zone
Pearl River delta of China
Pearl River Delta urban agglomeration urban agglomeration
Pearl River Delta urban innovative agglomeration
Pearl River estuary
Pearl River Estuary fishing ground
Pearl River Film Studio
Pearl River Fisheries Research Institute
Pearl River flood in 1915
Pearl River flood in 1994
Pearl River Hydraulic Research Institute
Pearl River Model
pearl river shelterbelt construction project in China
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