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- The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained. 介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据,并通过有限元模拟与试验验证了其可行性。
- Experimental research for dynamic coefficients of Huilong pumped storage generator /motor upper bracket are carried out using hammer excitation and varied-time-base(VTB). 用锤击法和变时基技术对回龙抽水蓄能发电电动机上机架动力特性进行试验研究。
- It showed that the modal test using hammer excitation method was successful.The method presented can give reference to the similar spatial structure's modal test. 这说明锤击法的模态试验是成功的，研究结果可为同类空间结构的模态试验分析提供参考。
- Modal Test of the Radar Structure System with the Hammer Excitation 某雷达结构系统的模态测试
- A very nice set of glasses came under the hammer yesterday. 昨天拍卖了一套很精致的玻璃杯。
- The teacher has been trying to hammer in the facts. 教师一直设法把这些事实灌输给学生。
- The mason was chipping away at the rock with a hammer. 石匠用锤子一点一点地把那块石头击碎。
- Perhaps his nerve is naturally too dull to admit of any excitation. 大概他的神经天生就很迟钝以至不容有任何刺激的余地。
- The hammer is missing from my toolbox. 我的工具箱里少了一把锤子。
- Dynamic Test of Curved Continuous Rigid Frame Bridge Model Using Hammer Excitation Method 基于锤击法的弯连续刚构模型桥动力试验
- A hammer is used for driving in nails. 子是用来钉钉子的。
- Why do you hammer at the subject day after day? 你为何日复一日地钻研那个科目?
- The handle of the hammer came away easily. 这锤柄很容易脱落。
- Sarcasm became a sledge hammer in their debate. 在他们的辩论中，讽刺成为强有力的武器。
- He scarred the door with a hammer. 他用锤子将门敲得疤痕累累。
- He hit the nail into the wall with a hammer. 他用一把锤子把钉子打进墙里去。
- I want to hammer in a few facts if I can. 要是能够的话，我要反复强调几个事实。
- He was chipping away at the rock with a hammer. 他用锤子一点一点地击碎那块石头。
- The hammer is missing from my tool-box. 我的工具箱里少了一把锤子。
- She smashed the hammer down onto the box. 她用锤子猛击箱子。
