用一台轻便的弹簧秤称重。
简谐运动：实验板，弹簧秤，载重板，砝码，码表。
Harmonic Motion: experimental board, spring weight, loaded board, counterpoise, stopwatch.
加速整个系统，张力会变大，这可以从弹簧秤的读数中，看出来。
You accelerate the system, the tension will increase and you will see that, you will read that on the scale.
利用交流电桥和约利弹簧秤组成实验装置，测量了金属的线胀系数和液体的密度。
Coefficient of linear expansion of metal and density of liquid are measured by the experiment device which is composed of AC bridge and Joly spring balance.
实验：同样的重量，但不同的根据地一个弹簧秤同文面拉项目-牵引力将是相同的！
Experiment: Pull items of the same weight but different base area with a spring scale over an identic surface - the tractive force will be the same!
快速树干注射器主要由贮液瓶、压力表、弹簧秤、输液管、注药口、气门嘴、注射针头、开关等几部分组成。
The quick trunk injector comprises a reservoir pressure-meter, a spring balance, a transfusion pipe, a liquid valve, an air pinhead and a switch.
方法：该输液自动报警器利用了弹簧受力拉升，不同质量的物体使弹簧长度改变不同的原理，巧妙地将弹簧秤进行了改装。
Methods The automatic infusion alarm device was subtly reformed according to the principal of the character of the spring that the different gravity caused its length to be different.
方法：该输液自动报警器利用了弹簧受力拉升，不同质量的物体使弹簧长度改变不同的原理，巧妙地将弹簧秤进行了改装。
Methods The automatic infusion alarm device was subtly reformed according to the principal of the character of the spring that the different gravity caused its length to be different.
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