So if we twist it too much up, then, of course, we will permanently deform it, and then the period will not be independent of theta maximum.
如果转动过度，当然，会永远毁坏的，那么周期和,θ最大值相关。
2
So far, Orion and the boosters are the furthest along in their production cycles, since every day that they delay extends the five-year period when Americans have no independent access to space.