1.发射时限
1.the restricted period during which a rocket or other projectile can be successfully launched
1."Discovery" this month's launch window will last until 7, if the 7th not the sky, and its launch will be forced to be postponed to December.
“发现”号本月的发射窗口将持续到7日，如果7日前未能升空，其发射将被迫推迟至12月进行。
2.A next-generation Mars rover is soon to begin its voyage, with a launch window starting in late November and lasting about three weeks.
研究火星的下一代探测器不久将开始其太空之行，可能的发射时间窗口是11月下旬，可持续大约3星期。
3.Its rocket blasted off just before midday local time, within a pre-announced launch window.
火箭在当地时间正午发射，时间在北朝鲜宣布的发射时间段之内。
4.Several airlines operating in the region have said they will change flight routes during the launch window.
该区域的几家航空公司宣布他们将改变发射窗口期间的飞行路线。
5.According to the limitation of two ground TTC stations, the day-launch-window was given.
根据两个地面测控站的测控限制，给出了着陆日窗口；
6.Chapter 5 discusses on launch window.
第五章讨论了的窗口选择问题。
7.Search for Optimal Launch Window for Small Celestial Body Exploration Mission Using Genetic Algorithm
利用遗传算法搜索小天体探测最优发射机会