1.
pendulum dynamometer
摆锤式测功器摆锤式测力计
2.
Some bobs have a nut under them.
一些摆锤下面有螺母，
3.
(The pendulum is usually measured from the top point to the middle of the bob.
我们称底部的重物叫摆锤（摆的长度一般从顶点到摆锤中间来计算）。
4.
Pendulum impact testing machines
GB/T3808-1995摆锤式冲击试验机
5.
Test method for pendulum impact resistance of plastic films
GB/T8809-1988塑料薄膜抗摆锤冲击试验方法
6.
The mass of the pendulum bob does not change from one location to another on the earth's surface.
摆锤的质量在地面各处都一样。
7.
When we turn the nut, we raise or lower the bob.
我们一转动螺母，就会升高或降低摆锤。
8.
Steel - charpy impact test (V-notch) ?
钢的摆锤式冲击试验（v形缺口）
9.
When pulled to one side of its equilibrium position and released, the pendulum bob vibrates about this position.
把此质点作为摆锤拉到平衡位置的一侧，然后释放，摆锤就在平衡位置附近摆动。
10.
The principle of the stationary pendulum mass is that for a displacement of frame, including recorder upwards.
稳态摆锤的原理是，摆的框架包括记录器向上位置。
11.
There is a phase difference between the stress signals on the pendulum edgeand specimen.
试样上和摆锤刀口上的应力信号差一个位相。
12.
Some bobs have a nut under them. The nut turns on a thread cut in the metal of the rod.
一些摆锤下面有螺母，它拧在金属杆的螺纹上。
13.
The hydrometric pendulum is sometimes used to determine flow velocities in open channels.
测流速的摆锤有时用于确定明渠中的流速。
14.
Study on Dynamic Response of Commercial Vehicle Cab in the Pendulum Impact Test
商用车驾驶室摆锤碰撞实验的动态响应研究
15.
Study on Positive Bob Impact Test of Commercial Vehicle Cab;
商用车驾驶室正面摆锤碰撞试验机研究
16.
The Main Changes for V. R. of JJG145-2007 Pendulum Impact Testing Machines
JJG145-2007《摆锤式冲击试验机》检定规程的主要变化
17.
" Environmental testing for electric and electronic products--Part 2: Tests method Test Ef: Impact,pendulum hammer"
GB/T2423.46-1997电工电子产品环境试验第2部分：试验方法试验ef：撞击摆锤
18.
Textiles--Tear properties of fabrics--Part 1: Determination of tear force--Ballistic pendulum method (Elmendorf)
GB/T3917.1-1997纺织品织物撕破性能第1部分：撕破强力的测定冲击摆锤法