对发动机气缸压力和瞬时转速的分析和研究是获取发动机工作情况和故障原因的重要手段；
The analysis and research of engine cylinder pressure and transient speed is the important method to obtain the working condition and breakdown reason of engine.
而且每个列举不同的原因，根本的共同点是，他们已经受够了等待苹果发布他们的应用，在互联网上瞬时努力。
And while each cites different reasons, the underlying thread is that they've had enough of waiting for Apple to distribute their apps, an instantaneous effort on the Internet.
研究表明，荷载瞬时作用后，地基中有明显的有效应力变化，这是地基产生初始沉降的原因。
From the analysis, it is found that the changing of the effective stress in the ground results in the immediate settlement.
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