The influence of control force amplitude of magnetorheological(MR) damper on semi-active control effects is discussed.
研究了磁流变（MR）阻尼器控制力幅值对结构半主动控制效果的影响。
The monthly mean sea surface temperature for many years are subjected to a harmonic analysis so as to determine the amplitude and phase of the annual and semi-annual temperature variations.
对多年的月平均海面温度进行调和分析，从而确定了一年和半年周期温度变化的振幅和相位。
The amplitude of the head fluctuation decreases with the storativity and leakage of both semi-permeable layers and increases with the leakance of the silt-layer.
分析表明，承压含水层中地下水水头波幅是上、下弱透水层贮水率和越流系数的减函数，是淤泥层相对透水系数的增函数；
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