To stability analysis of tethered balloon, a three dimensional nonlinear mathematical model tethered aerostat was assembled.为研究系留气球稳定性,建立了系留气球的三维非线性动力学模型....
潜水员下潜到超过危险线的深水中去了.The diver went into the deep water beyond the danger limit.大船走深水.A great ship asks deep water.19船大行深水.19 A great ship asks deep waters....
The vote is seen as a defeat for the anti-abortion lobby.这一投票结果被看作是反堕胎游说团体的一次失败。It must be terribly frustrating to lobby and get absolutely nowhere.游说未取得一点结果，一定让人非常沮丧。He set up this lobby of independent producers.他组织了这个由...