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