A cluster of children stood behind him.

1、

Tombstones jutted out of the ground in broken clusters

墓碑三三两两地竖立在地面上。

柯林斯高阶英汉双解学习词典

2、

A cluster of vultures crouched on the carcass of a dead buffalo

一群秃鹫蹲伏在一具野牛的尸体上。

柯林斯高阶英汉双解学习词典

3、

Side shoots should be cut back to one leaf above the basal cluster.

应将旁枝剪至主串上一叶高处

柯林斯高阶英汉双解学习词典

4、

The doctors clustered anxiously around his bed.

医生焦急地围在他的床边。

《牛津高阶英汉双解词典》

5、

As the reservoir of man-power fell, all demands had to be cut.

当人力储备低落时, 一切对人力的要求就不得不削减.

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6、

The big background of the Ostpolitik appearing is the detent of the international situation, has brought the change present situation opportunity for Federal Republic of Germany.

新东方政策出台的大背景是国际形势的缓和，缓和给联邦德国带来了改变现状的机会。

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7、

The paper analyzed the basic principle of the detent force of the permanent magnet linear synchronous motor with moving magnets for the detent force decision of the force.

针对永磁同步直线电机定位力大的缺点，文章分析了动磁式永磁同步电动机的定位力产生的基本原理；

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8、

Associated with the turn knob are two microswitches, which are closed when the knob is in the detent position.

与旋钮连接的是两个微型开关，它们在旋钮处于制动位置时是闭合的。

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9、

Based on this object, a complete automobile model, a detent model, a tyre model, a road surface model and a suspension system model are founded in the article;

基于此目标，本文建立了汽车整车模型、制动器模型、轮胎模型、路面模型、悬架系统模型；

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10、

This paper simulated the detent process of lift by adams, the effect of changing the angle of the safety clamp and the load is also be listed.

本文通过动态仿真软件adams，对电梯制动过程进行现场重现，得出安全钳角度和电梯载重对电梯制动效果的影响。

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11、

After the investigation, analysis and comparison, the magnetic detent is chosen to be a resistance source, which enables the automatic control of the drag.

经过大量调研、对比和分析后，最终选用磁粉制动器作为系统阻力源，使阻力的自动化控制成为可能；

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12、

Study on Ironless Moving Coil Linear permanent Magnet Synchronous Motor; Research on Minimizing Detent Force of Linear Permanent Magnet Brushless DC Motor

空芯动圈式直线永磁同步电动机的研究分析一种减小动圈式永磁无刷直线电动机磁阻力方法研究

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13、

Research on Minimizing Detent Force of Linear Permanent Magnet Brushless DC Motor Starting performance of U-type single-phase permanent magnet synchronous motor

一种减小动圈式永磁无刷直线电动机磁阻力方法研究U型铁芯单相永磁同步电动机起动特性

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14、

Guarantees the doors are always in the locked position ( provided the door was closed to the first lock detent position)

保证车门始终关紧（即使此车门只被关合到门锁的第一卡合位）

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15、

We use a soft stop detent to indicate the desired touchdown sink rate in the STOVL mode.

我们用一个软着陆闭锁装置来标明垂直起降模式下所需要的着陆下沉速率。

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16、

And it provided designing courses and the essential designing means of automobile detent inertia test-bed trough analyzing automobile brake process.

通过对汽车制动过程的模型分析，提出了制动器惯性试验台架的设计思路和基本设计方法，并对重型车制动器惯性试验台架进行了设计及实现；

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17、

Study of arc suppression coil grounded system with medium resistance Research on Minimizing Detent Force of Linear Permanent Magnet Brushless DC Motor

中性点经消弧线圈并联中值电阻接地方式的研究一种减小动圈式永磁无刷直线电动机磁阻力方法研究

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18、

Therefore, reducing detent force is the difficulty and keystone on improving the design and applied research of permanent magnet linear motor.

因此抑制磁阻力，是提高永磁直线电机的设计和应用研究的重点和难点。

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19、

WWW-based CAD System for Magnetism Powder Detent

基于WWW的磁粉制动器CAD系统

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20、

Through the design of unequal tooth pitch, the detent torque can be effectively minimized for improved operation performance.

采用不等齿距的设计，减小二相电动机的定位转矩，提高其运行性能。

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