这只无名的鸟，有时听任自己留在笼栅之内，对自己低语着无束缚的不可知的外界的音讯。
The unknown bird sometimes surrenders itself within the bars of the cage to whisper tidings of the bondless unknown beyond.
该方法能够很好地解决由于无铅钎料的应用引起的日益严重的诸多问题，如球栅阵列中各钎料球受热不均匀和芯片基板与钎料球同时受热等。
It can solve the problems such as inhomogeneous heating of different solder bumps in ball grid array, simultaneous heating of chip and carrier with solder ball, etc.
二维跨音速叶栅流场的计算是在无粘时间相关法计算程序的基础上采用无粘-边界层迭代而得。
An inviscid-viscous interaction method based on the inviscid time marching computer code has been employed to calculate the transonic flow field of two dimensional cascade.
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