Using numerical calculation, optimal roll program, the ratio of lift and drag, reentry Angle and reentry time of spacecraft are gotten.
通过数字计算，得到飞船的最优滚转程序、升阻比、再入角和再入终端时间。
2
Yes, Dolan has strongly encouraged his underlings to drag themselves into Greenwich Village to hear (and cheer) him play with his little rock and roll band.
是的，杜兰曾极力鼓励他的下属无休止地投身于格林威治村听到(欢呼)，他的发挥与他的小摇滚乐队。
3
Do not drag, roll, or slide containers on their sides.