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- A unit of force in the foot-pound-second system of measurement,equal to the force required to accelerate a standard one-pound mass one foot per second per second(approximately0.138 newton). 磅达英尺-磅-秒制中力的单位,相当于使1磅的自由质量得到一英尺每秒加速度的力(大约等于0.;138牛顿每秒)。
- A unit of force in the foot-pound-second system of measurement, equal to the force required to accelerate a standard one-pound mass one foot per second per second(approximately0.138 newton). 磅达英尺-磅-秒制中力的单位,相当于使1磅的自由质量得到一英尺每秒加速度的力(大约等于0。138牛顿每秒)
- Sound travels at 1, 100 feet per second in air. 声音在空气中的传播速度为每秒钟1,100英尺。
- A bullet goes from this gun with a velocity of 3000 feet per second. 子弹以每秒三千?盏乃俣却诱獍亚狗3.;觥
- Jules Verne’s spaceship had an initial speed of 36,000 feet per second. 儒勒.;凡尔纳的太空船开始的速度为每秒36,000英尺。
- Feet per Second per Second 英尺/秒
- WARNING: Systems should not be operated or flushed out at flow velocities greater than 5 feet per second. 警告:在流体流速超过每秒5英尺的情况下,不能对系统进行操作或冲刷。
- In order to put a satellite into orbit,the rocket must be accelerated at the rate of 44 feet per second for ten minutes. 为把卫星发射到轨道,火箭必须以每秒44英尺的速度加速10分钟。
- A unit of acceleration equal to the acceleration caused by gravity at the earth's surface, about9.8 meters(32 feet) per second per second. 重力加速度的符号与地球表面重力加速度相等的加速度符号,约为9。8米(32英尺)每秒每秒
- A volumetric unit for measuring the flow of liquids,equal to one cubic foot per second. 立秒一种测量液体流量的体积单位,等于立方英尺每秒
- A unit of acceleration equal to the acceleration caused by gravity at the earth's surface, about 9.8 meters (32 feet) per second per second. 重力加速度的符号:与地球表面重力加速度相等的加速度符号,约为9.;8米(32英尺)每秒每秒
- The force of gravity is such that it produces an acceleration of about 32 feet per second for every second that an object falls. 重力使物体每降落一秒钟产生大约每秒32英尺的加速度。
- A volumetric unit for measuring the flow of liquids, equal to one cubic foot per second. 立秒一种测量液体流量的体积单位,等于立方英尺每秒
- In order to put a satellite into orbit, the rocket must be accelerated at the rate of 44 feet per second for ten minutes. 为把卫星发射到轨道,火箭必须以每秒44英尺的速度加速10分钟。
- The acceleration of freely falling bodies under the influence of terrestrial gravity, equal to approximately 9.81 meters (32 feet) per second per second. 重力加速度:自由落体在地球引力影响下的加速。大约相当于9.;81米(32英尺)每秒
- The chronograph will be deemed to be within tolerance as long as the daily averages vary no more than 7 meters per second ( 25 feet per second) from the first day's readings. 若与第一天的读数相比正负误差不超过每秒七点六公尺(每秒廿五英尺),则此测速器即被视为在可容许的误差范围内。
- Saying that time races along at one second per second has as much scientific weight as the utterance of a Zen koan. 说时间以每秒一秒的速度前进,与禅宗公案中的妙语相较,科学的分量其实没有什麽差异。
- The Monticello Dam is a dam in Napa County California United States most noted for its large circular spillway with a rate of 48400 cubic feet per second. 蒙地赛罗水坝位于美国加州绿帕县,这是美国大型循环泄洪道,每秒可泄洪48400立方英尺。
- Once a bag disappears from view, it travels down long belts at 7 feet per second as lasers try to read its destination from matchbook-size bar codes affixed at check-in. 办理登机手续时,工作人员会在行李上贴一张火柴盒大小的条形码,随后行李离开你的视线,接着以每秒7英尺的速度沿着一条长长的传输带往前行进,期间激光扫描器会读取条形码的信息,判断出要将行李送往何处。
- It began, "Condoleezza holds a watermelon just over the edge of the roof of the 300-foot Federal Building, and tosses it up with a velocity of 20 feet per second. 题目是这样的,“康多莉扎拿着一个西瓜,越过300英尺高的联邦大厦的屋顶边缘,然后以每秒20英尺的速度将其投掷出去。”