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贝克-努恩人造卫星跟踪照相机
释义
贝克-努恩人造卫星跟踪照相机
Encyclopedia
理学
贝克-努恩人造卫星跟踪照相机
释
Baker-Nunn satellite-tracking camera
贝克-努恩人造卫星跟踪照相机
20世纪50年代由J.G.贝克和J.努恩设计的大型高精度人造卫星跟踪照相机,首批12台设置在环绕地球的±35度纬度带内。
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propylene glycol alginate sodium sulfate
propylene oxide
propylene oxide poisoning
propylene poisoning
propylene trimer
propyl gallate
propylite
propyne
proquinazid
prorepresentability
pro-representable
prorepresentable
prorepresentable functor
prorepresenting system
pro R group
pro-R-group
pros and cons of playing lens
proscenium
proscenium-arch stage
Prose
Prosecution of Buddhism under the reign of emperor Zhou Wudi
prosecution organs in foreign countries
Prose Education of Wanqing House
Prose Emphasized to Express Oneself
prose for abstinence ceremony
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