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- The shaft and discs rotate at about forty revolutions per second. 竖轴和磁盘每秒钟大约旋转40转。
- The whole drum rotates at a steady speed of about sixty revolutions per second. 整个磁鼓大约以每秒60转的恒定转速旋转。
- Ultracentrifuge A high-speed centrifuge, operating at up to a million revolutions per second that is used to sediment protein and nucleic acid molecules. 超速离心机:一种高速离心设备,运转时转速可达每秒百万转,常用于沉淀分离蛋白质与核酸分子。
- A swimmer who stands stiffly on the edge of a highdiving board and topples over toward the pool has an initial spin rate of 1 revolution per second. 根据物理词汇;对此文逐字翻译;请给分;谢谢.;1个跳水运动员站在跳台的边上,笔直的朝水池倒下。
- They spin at 400-500 revolutions per minute. 它们每分钟旋转四百到五百周。
- It travels thousands of miles per second. 它一秒钟能走几千英里。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- The velocity of light is about 186,000 miles per second. 光速大约是每秒十八万六千英里。
- Middle C is equivalent to 256 vibrations per second. 中央C音相当於每秒钟振动256次。
- The drum is rotated at 20 revolutions per minute for 10 minutes. 圆筒以每分钟20转的速度转10分钟。
- revolutions per second 每秒转数,每秒钟转数
- This machine runs at speed of 500 revolutions per minute. 这台机器每分钟500转。
- He told me that middle C is equivalent to 256 vibrations per second. 他告诉我说中央C音相当于每秒振动256次。
- revolutions per second (RPS) 每秒旋转次数
- Every pump draws8 cubic metres of water per second. 每一台抽水机每秒钟可以抽8立方米的水。
- A heavy-rimmed rotating wheel used to minimize variations in angular velocity and revolutions per minute, as in a machine subject to fluctuation in drive and load. 飞轮一种用于减小拐弯时速度变化和每分钟转数的粗边转轮,如减小机械在运行或装载中的变化
- Light travels about 300,000 kilometers per second. 光的速度大约每秒三十万公里。
- Bytes received from modem per second. 每秒从调制解调器接收的字节数。
- A phonograph record designed to be played at45 revolutions per minute. 每分钟四十五次转速的唱片
- The water flows at about 1.5 metres per second. 水的流速约为每秒 1.;5 米。