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The dynamic response of a foundation and a block on semi-infinite plane subjected to an uniformly distributed load are particularly studied by using the dynamic coupling model.

利用动力耦合模型研究了在均布荷载作用下，半无限平面上基础和块体的动力响应问题。

Installation of the foundations of machine Sizing Block plane can be concrete, it can be wood, requiring formation of solid; installation, spin out the adjustment screw will be placed Sizing Block machine load plate, then screwed the top screw.

安装机床垫铁的地基平面可以用混凝土，也可以是木质的，要求平整结实；安装时，旋出调节螺杆，将机床置于垫铁的负荷盘上，然后从上面旋入螺杆。

When compared with TL Buck converter, efficiency of this new converter is higher and the DC voltage blocking capacitor[1] can be smaller, when compared with double frequency Buck converter, voltage stress of the high frequency switches is lower, the output capacitor and inductor is smaller, and the dynamic load characteristic is better.

与三电平Buck变换器相比，复合双频Buck变换器具有较高的效率，而且其"隔直"电容可以取得更小。与双频Buck变换器相比，其具有高频开关电压应力低，输出滤波电感、滤波电容小，动态负载性能好等优点。

The converter combines the advantages of the PWM technique and soft-switching technique, the PWM is effected all over the whole loads range, and soft-switching is effeted only in the switching transition period, the ZVS of leading-leg is achieved by using the energy stored in leakage inductor of the transformer and the output inductor, the ZCS of lagging-leg is achieved by using a blocking DC capacitor, the ZVS and ZCS are achieved for the whole load ranges (5A~250A).

控制电路采用相移控制方式，综合了PWM控制和软开关技术的优点，在大范围内实现PWM控制，而在功率器件换流期间实现软开关换流，其中超前桥臂利用变压器的漏感，实现了零电压开关，滞后桥臂利用隔直电容，实现了零电流开关，并且整个变换电路能在（5A~250A）的范围内实现软开关工作条件，满足弧焊电源负载变化大的特点。

The Blucher went ssbbww.com 4 miles per hour, 8ttt8.com it pulled a load of 30 tons of coal up hill.

布吕歇尔号蒸汽机车的时速只有4英里，但是 dddTt 它拖载了30吨煤上山。

The results suggest that the physical work load of blue-collar workers is not affected by age.

结果显示，蓝领阶级工作者的生理工作负荷在年龄上并无影响。

I was determined to show those meat huckers that a well chosen and strategically placed fly was as effective as anything a conventional fisherman could load on a hook and hang under a bobber.

我决心证明这些肉类huckers，一个好选择，策略性地飞什么是有效载荷就可以了常规渔夫和坑下浮子钩。

Note: Load condition at bollard pull tests to be draught 6 m midship trim F' ^' a!

注意：系船柱拉力实验的负荷情况是船肿拉 6 米，船尾 1 米。

It's a load of bollocks.

我觉得是瞎扯

What a load of bollocks that turned out to be.

结果那只不过是胡说八道

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。