结果表明斜坡为多级阶地特征，在没有外界动力的作用下，斜坡坡体重力作用不足以使斜坡产生滑动。
The result demonstrated that the slope is a multistage terrace, if there is no exokinetic force existed, the gravity action of the slope body is insufficient to make the slope sliding.
适配电路中的多级并联放大电路、带通滤波器对试车过程中的随机干扰信号，尤其是振动引起的噪声具有很强的抑制作用。
The multi-parallel- magnification circuits and the band-pass filter can well restrain random interfering noise, especially generated by test run vibration.
在城市燃气多级管网系统中，存在一个调压室的最佳作用半径，这时管网系统的年计算费用为最小。
In urban gas network with multiple pressure ranges, there is an optimal effect radius, for which the annual calculating cost is minimal.
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