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The nature of the acceleration unit-impulse response function of unbounded medium tending to vary linearly is proved by means of asymptotic analysis. Thus, the acceleration unit-impulse response function can be regarded as the summation of a linear function and a residual part which converges to zero. Based on this decomposition, two FE-SBFE coupling procedures are presented based on system realization and truncation integral technique respectively.

本文系统研究了相互作用力-运动关系的位移表达、速度表达和加速度表达，通过比较位移、速度和加速度单位脉冲响应函数的SBFE求解过程，确定采用相互作用力的加速度表达；通过渐近分析证明了无限地基加速度单位脉冲响应函数具有随时间延长而趋于线性变化的性质；利用这一性质将加速度单位脉冲响应函数分解为一个线性函数和一个衰减到零的残余函数的和，以此为起点发展出两种FE-SBFE时域耦合方法：基于系统实现的FE-SBFE时域耦合方法和基于截断卷积的FE-SBFE时域耦合方法。

Finally, if the unit is undermanned in specific grades, the Army may allow the unit commander to waiver TIGand TIS requirements.

最后，如果这个单位在某些级别的士兵上缺员，那么陆军会允许这个单位的指挥官不用考虑服役时限和级别时限的要求。

The friction moment is an important usage function parameter of the ball screw unit, whose variation has effect on dynamic characteristic of ball screw unit.

摩擦力矩是滚珠丝杠副的重要性能参数，其变动量对滚珠丝杠副的动态性能有很大影响，因此对摩擦力矩的测量是滚珠丝杠副出厂检测的基本要求。

"Assign_to_unit" if in the scope of a character WITH a unit, will assume its that unit, and take character from this/from.

"assign_to_unit"效果有关的人物要是已指挥著一个部队，将就任该部队，并将人物从那拉走。

The state agency, the mass organization, the enterprise, the institution, the basic unit mass character autonomous organization and other social organizations may organize this unit, this system, this community's volunteer to carry out wish service.

国家机关、人民团体、企业、事业单位、基层群众性自治组织和其他社会组织可以组织本单位、本系统、本社区的志愿者开展志愿服务活动。

The Criminal Law of the People's Republic Of China amended in 1997 clearly defines the Unit Criminality . And thus the country's theoretical circle into Unit Criminality enters a completely new area.

我国1997年修订刑法明确规定了单位犯罪，我国刑法理论界对单位犯罪的研究由此也进入了一个全新的领域。

For technical reasons, the method requires the eigenvalues of the solutions at their fixed point is off the unit circle or lies on the unit circle with the Diophantine condition.

作者以前的工作可通过递推序列给出解析的显式解，但由于技术的原因，在方法上要求其解在不动点处的特征值不在单位圆周上或在单位圆周上但满足Diophantine条件。

When the diameter of the arranging circle is less than 5 times of the radius of a unit laser, over 90% of the power will drop into the 86.5% power circle of the unit laser.

结论指出适当选择单元激光器的排列间距可以控制能量的集中程度，甚至使合成光束的能量集中度优于原单元激光器产生的高斯光束。

The preparatory stage was inclusive of the development and establishment of learning communities; the first stage discussed the text unit "calculation of time"; the second stage was practical teaching activities of the unit "circle and diameter".

行动过程中，实际历经了准备阶段对学习社群的培养与建立，第一阶段「时间的计算」单元与第二阶段「圆与直径」单元的实际教学。

A cost unit is a unit of produce or service to which costs can be related.

成本单位是一个将有关联的产品和服务成本集中成的单位。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。