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- foundation dynamic impedance 动力阻抗函数
- A kind of impedance measurement is proposed with piezo-electric element which drives the beam and engender dynamic impedance data. 摘要提出了利用压电陶瓷的阻抗测量法的概念，即用压电陶瓷作为驱动源产生动态阻抗信息。
- Through dynamic impedance matching by kernal control circuit based on C8051F020 and AD9832, the maximum output of ultrasound power is produced. 方法:基于C8051F020和AD9832的核心控制电路通过动态阻抗匹配法使系统输出最大超声波功率。
- Abstract: In this paper, a simplified model for dam-foundation dynamic interaction analysis in time domain is proposed in terms of the studying of the characteristics of the dynamic impedance of canyon cut in elastic half-space. 文摘:通过对拱坝地基的半无限空间动力体系的分析，提出了拱坝-地基动力相互作用问题的简化求解途径，并结合小湾拱坝进行了实际分析。
- In this paper, a simplified model for dam-foundation dynamic interaction analysis in time domain is proposed in terms of the studying of the characteristics of the dynamic impedance of canyon cut in elastic half-space. 通过对拱坝地基的半无限空间动力体系的分析，提出了拱坝-地基动力相互作用问题的简化求解途径，并结合小湾拱坝进行了实际分析。
- To be applied to detected two port network with different dynamic impedance, its added resistance can be automatically changed by computer program. As a result, the automaticity of the measuring technique is greatly enhanced. 文中提出了简化的自动测量系统,并应用计算机技术自动地改变附加电阻,以适应不同动态阻抗的被测两端网络。
- sections of the dynamic impedance 路段动态阻抗
- Dynamic impedance of group piles in two-phase fluid-saturated soils 二相介质饱和土中群桩动力阻抗分析
- The Noise Analysis of Sampling Circuits in meridian dynamic impedance testing 经络动态电阻检测取样电路的噪声分析
- That rumor has no foundation in fact. 那谣传没有事实根据。
- The rumor was without foundation. 那条谣言毫无根据。
- Research on torsional dynamic impedance of end-bearing pile in layered soils 层状地基端承桩扭转动力阻抗研究
- The foundation provides money for schools. 基金会资助学校。
- We are looking for dynamic persons to be salesmen. 我们正在寻找充满活力的销售人员。
- Jane wears a foundation garment under her evening dress. 珍妮在晚礼服里面穿了一件紧身衣。
- dynamic impedance of foundation 地基动阻抗
- He laid the foundation of his success by study and hard work. 他通过学习和努力工作为成功打下了基础。
- The foundation of this university took place over 100 years ago. 这所大学于一百多年前创建。
- The company's archives goes back to its foundation in1892. 该公司的档案可追溯至其创建的1892年。
- The management of the foundation is vested in a board of trustees. 基金会的管理交由理事会负责。
