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It is found that the position of vortex shedding is different fro m three-row cylinders. The time-mean pressure coefficient along the surfaces o f the cylinders is not changed with the void friction. But the fluctuating press ure coefficient reduces with the increase of void fraction.

试验结果表明：沿圆柱表面周向的旋涡分离点随着流动向深层发展，并向圆柱的背部移动；圆柱表面沿周向的时均压力系数几乎不随含气率的变化而变化；圆柱表面的脉动压力系数随着含气率的增加而减小。

The voices of the desert sound in his poems; he speaks of the swift-footed dromedary running to and fro, of the cattle grown wild on the plains, of the thirsty wild ass gasping for breath with dim eyes, and of the bird of prey which the fowler has tied to a stake in order to attract his victim.

的声音沙漠健全他的诗作中，他谈到了迅速右脚单峰骆驼来回穿梭，该牛生长野生平原，在口渴野驴喘一口气与暗淡的眼睛，和猛禽其中福勒挂钩的股份，以吸引他的受害者。

In this manner a complete stress-strain diagram can be obtained fro the material.

In这种方式一个完整的应力应变图，可来回的材料。

As Bees In spring time, when the Sun with Taurus rides, Pour forth thir populous youth about the Hive [ 770 ] In clusters; they among fresh dews and flowers Flie to and fro, or on the smoothed Plank, The suburb of thir Straw-built Cittadel, New rub'd with Baum, expatiate and confer Thir State affairs.

V1：那时长着翅膀的天使们，在元首的命令下，用威严的仪式和号筒的声响，向全体官兵传达消息，宣布在元首撒旦和大天使们的最高首府&万魔殿&开一个严肃的会议，开会者是各队各团中有地位的，或是选拔出来的最优秀者。

Only on the north side in the upper room that desolate door would neither drop off to its rest nor be shut, but swung to and fro in the wind like a self-torturing soul.

岁月恶狠狠地抓得它伤痕斑斑，雨季又在它赤裸裸的砖头上留下了异想天开的签名。

After waiting for a while and running to and fro from Gate A to Gate B, Leon appeared far inside the "Prohibited Area" at 2:10pm.

傍晚6pm，尖沙咀东部百周年纪念公园前已聚了不少看热闹的人，后台则撘建了一个大帐篷作为歌星休息室，Leon约在6：25pm身在篷内，立刻连串照相机的镁光由篷内穿出。

Little gold fish come and go,Swimming in the sunshine to and fro.

小金鱼来来去去，在阳光下游来游去。

The old kerosene light flickered to and fro on the windows of the widow's peak, bringing me to reality.

旧煤油灯在寡妇峰的窗口上来回的摇曳着，也把我从梦回越南中拉回到了现实。

The old kerosene light flickered to and fro on the windows of the widow's peak, bringing me to reality, having dreamt of my days in Vietnam.

在这个古老的别墅里，有着悠久的历史和有趣的东西，我也曾经是个世上最快乐的孩子。

The old kerosene light flickered to and fro on the windows of the widow's peak, bringing me to reality, having dreamt of my days in Vietnam.

旧煤油灯在寡妇峰的窗口上来回的摇曳着，也把我从梦回越南中拉回到了现实。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐