秒

• The signals carried in copper wires consist of about one million waves per second .
  在铜线中传送的信号是由大约每秒100万次波的电磁波所组成。
• At low frequencies , such as 10 per sec. , pulsation is sensed rather than vibration .
  在低频率（譬如每秒十次）时，所感觉到的是脉冲而非振动。
• Thus, during a normal light-up there is a blade temperature charge of about 30 degrees/sec .
  于是，在正常点火时，叶片温度的变化率约为30度秒。
• The fireball ascended with great rapidity, the initial rate of rise being about a mile per second .
  火球以很高的速度上升，上升的最初速度约为每秒1哩。
• The filaments are expanding into space at a speed of roughly 5, 000 kilometers per second .
  这些纤维状星云物质以每秒大约5000公里的速度向宇宙空间扩展。
• A detonation "front" commences to move down the charge at a velocity of the order of 7000 m/s .
  一个暴炸“前沿”开始以约7000米秒的速度朝药包下端移动。
• A light-year is the distance light travels in one year at a speed of 299, 792 kilometers per second .
  一光年是光以每秒299792公里的速度在一年中所走过的距离。
• Comparatively rudimentary interferometer observations suggested that this source is about 1. 5 across .
  不很精确的射电干涉仪观测表明，这个源的角径约为15弧秒。
• A hockey player who is skating at a speed of 5m/s falls and slides along the ice for 20m before stopping .
  一个冰球运动员在溜冰速率为5米秒时跌倒在冰上，滑了20米才停下。
• Now a joke on a wireless programme leaps across the world at a speed of 186, 000 miles a second .
  而现在，即使是无线电节目里的一个笑话，也以每秒186，000英里的速度传遍世界。