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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。
- pulse hammer excitation 脉冲锤击法
- 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
- My pulse hammered. 我的脉博象锤子一样重击着
- 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。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- 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。
- He knew the pulse of the nation. 他了解国民的心态。
- The doctor took my temperature and my pulse. 医生量了量我的体温和脉搏。
- A hammer is used for driving in nails. 子是用来钉钉子的。
- The excitement quickened my pulse. 激动使我的心跳加快。
- 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 machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- The handle of the hammer came away easily. 这锤柄很容易脱落。
- He knew the pulse of the people. 他了解人民的意向。
