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- Safety is always the first consideration in tunnelling and speed of advance is the second. 在掘进中,安全总是应该首先考虑的问题,掘进速度则放在第二位。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- The speed of a runaway horse count for nothing. 脱缰之马的速度毫无价值。
- The speed of light is an important constant. 光速是一个重要的常数。
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Rapidity or speed of motion; swiftness. 迅速，快速运动的快速或速度; 迅速
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- The France is one of advanced country. 法国是发达国家之一。
- Position, path and speed of advance of tropical storm 热带风暴的位置,路径和移动速度
- An arrow indicating the direction of advance. 箭头指示着前进的方向。
- Raindrop fall at a speed of about500 to1,000 feet a minute. 雨点以每分钟大约五百到一千英尺的速度下降。
- Ckecking of the advance angle of advance device. 检查提前器性能。
- Last year he was chosen to attend a conference of advanced workers. 去年他被推选出席了先进工作者会议。
- Some aspects affecting the speed of advancing are presented.We are sure that we will get success by the cooperation of all the technologists and researchers after making great efforts. 总结经验、不断完善、再接再厉、与时俱进，全国无损检测专家、学者、技术人员和无损检测工作者共同的努力，一定能够使我国无损检测事业蓬勃发展。
- Airliners in service at present cannot fly faster than the speed of sound. 目前供使用的客运机飞行速度不能超过音速。
- Mach two equals twice the speed of sound. 二马赫相当于声速的二倍。
- The maximum speed of the aircraft is 800 m.p.h. 该飞机的最大速度为每小时800英里。
- The speed of light boggles the mind. 光速之快，不可思议。
