The gossipy, reciprocal flow of normal female conversation is absent, and so far not one of them has asked me, a stranger, a single question about myself or what I am doing here.
一般女士们聚在一起时那种东家长西家短、流畅的互动式交流在这里没有出现。 到目前为止还没有一个人问一下我这个陌生人是谁，在这里做什么。
A reciprocal theorem of dynamics for potential flow problems is first derived by means of the Laplace transform in which the compressibility of water is taken into account.
基于势流理论，考虑流场的可压缩性，首先利用积分变换导得了势流问题的一个动力学倒易定理。
The problem such as the critical flow velocity at which fluid elastic instability phenomenon begin to occur, the reciprocal action on neighboring tubes in different helical radius, and that.
针对发生流体弹性不稳定现象时的临界流速；不同螺旋半径上相邻管的相互影响；同一螺旋半径上、下游管的相互影响等问题作了讨论。
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