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词汇
照相侦察卫星
释义
照相侦察卫星
zhào xiàng zhēn chá wèi xīng
利用光電遙感器攝影而實現偵察地面目標的衛星。衛星選擇在150~280千米的近地軌道上,以獲取清晰的圖像。按信息送回地面方式分爲兩類:返回型。將對地面攝影后的膠片存貯在衛星上回收容器中,回收容器脫離運行軌道返回地面;傳輸型。利用光電成像原理偵察攝影,再把圖像信息記錄在磁帶上,在飛往地面臺站控制區時,再將圖像信息發送地面。
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non-freezing port
nonfreezing solution
non freezing solution
non-freezing solution
non-freezing stream
non-freezing water
nonfreezing weather
nonfreight
nonFrench
non-frequency adaptable pacing
non-frequency-band constraints
nonfrequency verbs
nonfrequent
non frequent
nonfrequentative
non-fresh injury
nonfriable
nonfriables
nonfricative
non-friction
nonfriction bearing
non friction brake
non-friction brake
non-friction guide
nonfried
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更新时间:2026/8/23 8:58:48