For this reason, this paper puts forward the method of virtual resistance to calculate the initial value of this system and to calculate the transient considering the effect of the ground swell.

针对带有灌溉系统并装设灯泡式机组的径流水电站，进行了计及涌浪影响的全枢纽过渡过程计算，并在稳态初值计算中使用虚拟阻抗法对流体网络进行求解；

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As those tools are manipulated by a student, the computer works out where they are inside the virtual body and then tells the motors how much resistance to put up when he tries to move them.

ECONOMIST: What the surgeon saw . . .