1、

After a recent Monday-evening class, five-year-old Zang Siqi rushes toward her mother, eager to show off a white rocket she has made out of paper, a Snow White sticker in its nose cone.

最近一个周一的晚班课程结束后,5岁的臧思琪(音)冲向她的妈妈,急不可待地让她看自己用纸叠的一枚白色火箭,火箭头锥部分贴着白雪公主的贴纸。

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2、

This paper introduced the application of new Hall sensor in the voltage and current regulation of the speed-regulation system of rotary three-cone bit drill and analyzed the mode of operation, the structural characteristic and the use result of the component element.

文章介绍了在牙轮钻机调速系统的电压、电流调节中,采用了新型霍尔元件,并具体分析了其工作方式、构成特性以及使用效果。

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3、

by practical tests, this paper reported the form design, sinker weight and making method of the truncated cone cod-end under current velocity of 0. 45-0. 75 m · s-1, and provided reference for cod-end making of deep-water net cage at strong current.

通过实物试验,报道了圆台形囊网在流速0.45-0.75m·s-1时的外形设计、配重及制作方法,为强流下的深水网箱囊网制作提供参考。

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