An interval of time in which a spacecraft must be launched in order to accomplish a given mission, as determined by the position of its destination…
| 单词 | θ207483 |
| 释义 | society > travel > air or space travel > space flight > [noun] > a space shot or flight > launching of spacecraft > period suitable for (3) window1962 An interval of time in which a spacecraft must be launched in order to accomplish a given mission, as determined by the position of its destination… launch window1965 a period outside which the planned launch of a spacecraft cannot take place if the journey is to be completed, owing to the changing positions of… Subcategories:— for flight to moon (1) |
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