当电源电压增至72V以后，电动机的电磁转矩增大率降至很小。
After the voltage of power source increases to 72v, the increasing rate of the electromagnetic moment of motor is very small.
电源电压从0～100V变化时，电动机的电磁转矩逐渐增大，但增大率逐渐降低。
When the voltage of power source changes from 0 to 100V, the electromagnetic moment of motor gradually increases, but its increasing rate decreases gradually.
随着瓦斯压力的增加，突出煤样两端的瓦斯压力梯度增大率会逐渐减小，最终趋近于零。
The increasing rates of pressure gradient of two sides of outburst coal decrease with the increase of gas pressure and reach to zero at last.
还计算了水泥砂浆模型孔壁应力和模型侧面应变在孔壁不同方向的应力、应变峰值增大率。
The increasing rate of borehole stress and profile strain peak value of cement mortar model are calculated.
还计算了水泥砂浆模型孔壁应力和模型侧面应变在孔壁不同方向的应力、应变峰值增大率。
The increasing rate of borehole stress and profile strain peak value of cement mortar model are calculated.
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