Once separation occurs, that?s really the end of the launch trajectory,? said Doug Cooke, associate administrator of NASA?s exploration program.

“一旦分离，实际上发射轨迹已经结束，”DougCooke说道, 他是NASA探测计划的副署长。

youdao

Once separation occurs, that? S really the end of the launch trajectory,? Said Doug Cooke, associate administrator of NASA? S exploration program.

“一旦分离，实际上发射轨迹已经结束，”DougCooke说道，他是NASA探测计划的副署长。

youdao

Once separation occurs, that? S really the end of the launch trajectory,? Said Doug Cooke, associate administrator of NASA? S exploration program.

“一旦分离，实际上发射轨迹已经结束，”DougCooke说道，他是NASA探测计划的副署长。

youdao