您要查找的是不是：
- Highway in bess regions is often washed out by water, because bess hascollapsibility, special structural characteristics, physical and mechanical quality. 黄土地区公路易受水冲蚀，是由黄土的湿陷性和特殊的结构特征及其物理力学性质所决定的。
- Among them the lowest impedance and the best mechanical quality, it is the first kind type piezoelectric wire bonder. 其中阻抗最低且机械品质最佳的，则是第一种型式的压电打线器。
- Keywords: piezoelectric wire bonder, displacement, actuating force, impedance, mechanical quality. 关键字：压电打线器、位移、致动力、阻抗、机械品质。
- The best-selling products of domestic products, mechanical quality to the former State Department, Buban for first-class level. 该产品系国内畅销产品，质量达到原国家机械部，部颁一等品水平。
- This factory manufacture mechanical quality guaranteed that, defends the credit, wholeheartedly provides the consummation for the general customers the post-sale service. 本厂制造机械质量保证，守信用，竭诚为广大客户提供完善的售后服务。
- Based on certain mechanical quality of the rock, the analysis on the Polycrystalline Diamond Compacts (PDC) bit and the rotary percussive drilling is carried out. 在管棚支护所钻岩石的力学性质基础上,对管棚支护钻孔所采用PDC钻头和回转冲击的钻进方式进行了比较分析。
- Like the ZEISS lenses for motion picture, ZF lenses feature unusually high mechanical quality, fixed focal length, very precise manual focussing, reliability, and exceptional durability. 如同电影用的ZEISS镜头，ZF镜头的特色就是非常高的机械品质，固定焦长，非常准确的对焦系统以及高度可靠性，并且非常耐久。
- The expression of the equivalent mass and equivalent impedance on a side of the transducer are educed, moreover, the expression of mechanical quality factor and band wide are obtained . 推导出在同一参考面穿孔换能器的等效质量、等效电阻的表达式,进一步得到换能器的机械品质因数和带宽的表达式,得到穿孔尺寸与这些参数之间的关系,从而设计出宽频带换能器。
- The measurement and calculation problems of low-frequency parameters such as the resonance frequency fa, total quality factor QTS, mechanical quality factor QMS, electronical quality factor QES and equivalent volume VAS of loudspeakerds are discussed. 讨论了扬声器低频参数如:谐振频率fs,品质因数QTS,机械品质因数QMS,电品质因数QES,等效容积VAS的测量和计算问题。
- Mechanical Quality Control Section Manager 机构品管课主管
- This study demonstrated that calcium phosphate cements displayed identical behaior to PMMA cement with respect to in itro mechanical qualities. 因此，从力学观点来说，除PMMA外，磷酸钙水泥可以用来进行椎体后凸成形和预防性椎体后凸成形术。
- The acoustics is a branch of physical. 声学是物理学的一个分支。
- Physical disability causes mental anguish. 生理伤残会引起心理苦闷。
- His problem is mental, not physical. 他的问题是心理的而不是身体的。
- A person of the Nordic physical type. 有北欧人身型特征的人
- A physician who specializes in physical medicine. 理疗学家专攻物理治疗学的医生
- A thorough physical examination. 体格检查彻底的身体检查
- Are men and women equals in physical strength? 在体力上男人和女人相同吗？
- Physical or sensual gratification. 物质享受物质或性的满足
- Impetus of a physical object in motion. 冲力运动中物体的动力
