elastic constant的用法和样例：
例句
- Due to the small spring constant of the cantilever in direction perpendicular to the sample surface tip damage is reduced.
探针悬臂在垂直于样品表面方向上的弹性常数较小，针尖不易损坏。 - A test method of velocity measurement for elastic constants of composite material is proposed.
摘要提出了一种实用的声学法测量复合材料弹性常数的方法。
