On the load versus indentation depth curve, besides the straight parts corresponding with the elastic property of nickel, the sudden drop of the load occurred several times.
在载荷位移曲线上除了反应晶体弹性性质的直线外还有数次的载荷突然下降过程。
When the body falls a certain distance toward the ground, the elastic rope is pulled tautly to prevent the body from continuing to drop.
当人体落到离地面一定距离时，橡皮绳被拉开、绷紧、阻止人体继续下落。
A pressure drop model in horizontal well was established on the basis of the analytical solution of an elastic and unsteady seepage flow model in infinite reservoir.
本文在无限大均质地层弹性不稳定渗流模型解析解的基础上，建立了与地层耦合的水平井筒压降模型。
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