英语词汇launch window怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	launch window
释义	launch windown.（名词） A brief, specific period of time during which a spacecraft or projectile must be launched so that a desired mission or effect can be achieved.最佳发射时机：一段短暂、特定的时间，必须在此期间内发射太空飞船或火箭，以便完成期望的使命或达到期望的效果
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