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- normal acceleration of gravity 标准重力加速度
- The experiment uses a trait of the physics pendulum and designs another method to measure the acceleration of gravity. 本实验针对实验室用物理摆的特性,设计出另一种用物理摆测量重力加速的方法。
- The force with which a body is attracted to Earth or another celestial body,equal to the product of the object's mass and the acceleration of gravity. 重力地球和其它天体对某物体的作用力,它等于物体的质量与重力加速度的乘积。
- This paper give a mathematics method that it is more simple to deduce tangential and normal acceleration of a particle in round motion. 给出一种推导圆周运动点的切向加速度和法向加速度的较为简洁的数学方法。
- 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。
- This paper discusses the principle, the method and the result in measuring acceleration of gravity by means of spring vibrator. 本文主要介绍用弹簧振子测定重力加速度的测量原理、方法及测量结果。
- Starting from the Gauss theorem of the gravitational field,discuss the distribution of the acceleration of gravity of the internal parts of the earth, the ground and the space. 从重力场中的高斯定理出发 ,讨论地球表面、地球内部和地面上空重力加速度的分布
- Meanwhile, analysis of the acceleration of pulses from a binary pulsar by radio astronomers at the University of Massachusetts in Amherst in 1978 provided indirect evidence of gravity waves. 与此同时,1978年阿默斯特市马萨诸塞大学的射电天文学家们对来自双脉冲星的脉冲的加速度所作的分析,也提供了引力波的间接证据。
- Depending on the onwards, it pointed out that the arms swinging have a far-reaching influence on take-off acceleration of the body, moreover, the more acceleration distance of arms swinging, the more final speed of the center of gravity of the body. 由此指出,手臂摆动对身体起跳加速力的贡献率很大,并且,手臂加速摆动的距离越长,身体重心速度的增加越明显。
- The principle of weighing the mass of an object by electronic analytical balance is to measure the gravity acting on that object, so the accuracy of the balance is closely related to acceleration of gravity. 电子分析天平的质量称量是通过被测物的重力作用实现的 ,其称量准确性与重力加速度密切相关。
- Based on international and domestic regulations for the application of indeterminate degree,the paper presents a detailed analysis of indeterminate degree in the experiment of measuring acceleration of gravity by single pendulum. 本文根据国际、国内有关不确定度应用办法的规定,对用单摆测重力加速度的实验进行了详细的不确定度分析。
- In this paper, we introduced the principle and engineering examples of Hall sensor, demonstrated the application of switching Hall sensor in measuring acceleration of gravity and showed the circuit. 介绍了霍尔传感器的原理以及工程应用中的霍尔传感器种类 ,举例说明了开关型霍尔传感器在重力加速度测量实验中的应用 ,同时给出了具体的应用电路
- What is the force of gravity at sea level? 海平面的地球引力多大?
- Measuring the local acceleration of gravity using a sea-gravimeter and revising the reference gravitation field model is an important approach to improve the precision of inertial navigation system. 石英振梁式传感器是近年来发展起来的一种新型传感器。
- The force of gravity pulls things towards the earth's centre. 地心吸力把物体吸向地心。
- He discoursed impressively on Newton's theory of gravity. 他讲述了牛顿的引力定律,给人以深刻的印象。
- Distribution of acceleration of gravity 重力加速度的分布
- The force of gravity makes things fall to earth. 地心引力使物体落向地面。
- What direction is the acceleration of the canoe? 独木船的加速度方向如何?
- eccentricity of acceleration of gravity 重力偏心