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- The speed of this aircraft is very high. 这架飞机的速度非常快。
- The speed of a runaway horse count for nothing. 脱缰之马的速度毫无价值。
- Rapidity or speed of motion; swiftness. 迅速，快速运动的快速或速度; 迅速
- 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。
- Binocular perception of motion in depth was studied. The results showed that binocular velocity difference may be of use in detecting the speed of motion in depth,while binocular velocity ratio is of use in discriminating the direction. 研究双眼性的深度运动知觉，结果表明，双眼视网膜象的速度差信息，在深度运动的速度检测中起重要作用；
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- Abbr. vel.Rapidity or speed of motion;swiftness. 缩写 vel.;迅速，快速：运动的快速或速度；
- 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。
- Rapidity or speed of motion;swiftness. 迅速，快速运动的快速或速度；
- The workers have timed the speed of the machine. 工人们已经调准机器的速度。
- The speed of rockets transcends that of airplanes. 火箭的速度快于飞机的速度。
- Scientists have determined the speed of light. 科学家们已测定出光的速度。
- The worker is timing the speed of the machine. 这名工人正在调整机器的速度。
- The worker is timing the speed of the machine . 这名工人正在调整机器的速度。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- A device for measuring the speed of sound in water. 速度计，速度表用于测量声音在水中的速度的仪器
- They had to ease the speed of their boat . 他们不得不减低船速。
- What's the speed of the film you're using? 你用的胶卷感光度是多少?
- Those people are measuring the speed of cars. 那些人正在测量汽车的速度。
