An elastic member for a pushbutton switch, providing soft tactile sensation to the operator when it is pushed down.
提供一种按钮开关用弹性部件，当按下按钮开关时可以得到柔和的触感。
On the basis of the fractional calculus operator theory, the stress-strain relation of soft soil under the condition of loading with constant strain rate is proposed.
利用分数阶微积分理论提出等应变率加载情况下的软土应力—应变关系。关系式显示应力—应变之间呈乘幂函数关系。
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