“Discoverer satellite”的概念、定义、翻译、参考文献-科学参考

单词	Discoverer satellite
释义	Discoverer satellite Encyclopedia 工学光学成像侦察卫星释 Discoverer satellite“发现者”号卫星美国发射的用于综合性军用试验的光学成像侦察卫星。
随便看	existence condition existence criterion existence domain existence factors existence form of element existence limit of nucleus existence of best approximation existence of lift existence of required elements of crime existence precedes essence existence principle existence problem existence proof existence property existence region existence symbol existence theorem existence theorem for roots existential existential closure existential condition existential formula existential generalization existential illumination existentialism

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