He thinks that Chopstick used the principle of lever and what hands can do.
他认为，筷子使用的原则，杠杆和手可以做什么。
A single sensor liquid adding system (SSLAS) was developed and it worked based on the metering principle and weighed by a sensor and lever system.
设计的单传感器液体秤基于重量式计量原理，采用单传感器结构，借助杠杆系统进行称重。
A nanometer system for displacement measurement is described, which is based on the principle of optical lever.
介绍了一种基于光杠杆原理的光学微位移测量系统。
The principle of17rolls leveler, the structure of the roll stand, the adjustment steps of the lever and some suggestions on maintence are introduced.
介绍了17辊式矫直机的工作原理，辊系结构，矫直机的调试步骤及其维修保养。
Based on Archimedes theorem and lever balance principle, we can calculate the buoyancy's variety of the balance objects. This variable just equals to the weight of the measured object.
浮力天平的测量是利用阿基米德定理，计算出配重物体受到的浮力，再通过杠杆平衡的原理得出配重物体浮力的变化即被测量物体的重量。
The essential prerequisite for using lever scale is that its maker knew the principle well.
不等臂天平的出现，其前提条件是制造者对杠杆原理的掌握。
According to the principle of the transverse stretch tensor of object and the optic lever arm magnifying, this article designed a case tester for Young's modulus.
根据物体纵向拉伸，弹性变量及光杠杆的放大原理，制作了箱式杨氏模量实验仪。
The CD-HSS box drawing experimental device included four parts of die structure, lever mechanism, hydraulic and electric control system were designed based on the CD movement principle.
基于可控拉深筋运动原理设计了可控拉深筋高强度钢板盒形件拉深实验装置，该实验装置分为模具结构、杠杆机构、液压及电气控制系统四部分。
Electronic scale weighing instrument, belonging to a, is the use of Hooke's law or the force of the lever balance principle to measure quality tools.
电子秤，属于衡器的一种，是利用胡克定律或力的杠杆平衡原理测定物体质量的工具。
The working principle of a kind of hydraulic-mechanical combination driving device based on lever-toggle force-amplifier was introduced in the article, its force calculation formulas are given also.
介绍了一种基于杠杆-铰杆增力机构的液压-机械复合传动装置的工作原理，给出了其力学计算公式。
The shear of each model is calculated separately and superimposed to establish the shear bearing formula. The formula of bend is established by lever principle.
分别计算了三种抗剪机制承担剪力的大小，由叠加法和杠杆法分别确定最终受剪、受弯承载力。
The utility model uses lever principle, when a drinker inclines a cup, the iron rod in the plastic jacket shell rolls to open the plastic cover sheet, and the drinker can drink water.
它利用杠杆原理，当喝水者倾斜杯子的瞬间，塑料套壳内的铁棒滚动时打开塑料盖片，喝水者即可喝水。
The utility model uses lever principle, when a drinker inclines a cup, the iron rod in the plastic jacket shell rolls to open the plastic cover sheet, and the drinker can drink water.
它利用杠杆原理，当喝水者倾斜杯子的瞬间，塑料套壳内的铁棒滚动时打开塑料盖片，喝水者即可喝水。
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