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1·The problem is how to make a spring elastic potential energy is not reduced?

问题是怎样 才能让弹簧的弹性势能不减小？

2·Or how to make a spring elastic potential energy to maintain the original size of the change?

或者说怎样才能让弹簧的弹性势能保持原来的大小不变？

3·Hence, the loss of gravitational potential energy of the block equals the gain of elastic potential energy of the spring.

因此，该物块的重力势能的减少，等于该弹簧的弹性势能的增加。

4·According to Hertz contact theory, this paper discussed the elastic deformation in the ball screw systems and elastic potential energy caused by it.

根据赫兹接触理论分析了丝杠副滚珠接触的弹性变形量以及由弹性变形所造成的弹性势能。

5·The results showed that the difference existed between male and female in elastic potential energy utilization ratio(higher for male)which positively correlated to the skill degree and body mass.

结果表明：弹性势能利用率存在性别差异，男性受试者弹性势能利用率高于女性，并与运动员等级、体重保持一定正相关；

6·This paper deals with the problem of how to skilfully select spring elastic potential energy zero in applying law of conservation of mechanical energy, and makes some analyses combined with examples.

在应用机械能守恒定律时，如何巧选弹簧弹性势能零点问题进行了探讨，并结合实例进行了分析。

7·Total potential energy is composed of elastic and dissipated potential energies in shear band as well as work done by external force.

系统的总势能由剪切带的弹性及耗散势能和带外弹性岩石对剪切带所作的外力功构成。

8·In the analysis of the elastic tripping of the stiffener, the critical stress under this mode of failure is derived by using the energy method and the principle of least potential energy.

对于加筋板中筋的侧倾失稳，则通过能量法推导加强筋侧倾失稳时的总势能泛函，利用最小势能原理求解出此失稳模式下的临界应力。

9·The first-order derivative equal to zero of total potential energy with respect to the relative shear deformation of shear band leads to the equilibrium condition of elastic rock.

将系统的总势能对相对剪切变形求一阶导数（等于零），得到了弹性岩石的平衡条件。

10·There is a constant shuffling, as potential energy is transformed into kinetic or elastic energy, and then back again.

能量经常在我们身体里转来换去，从势能转为动能或弹性能，然后再转变回来。