The dynamic highway vehicle automatic weighing instrument needs to verify vehicle gross weight demonstration and vehicle axis load demonstration.
动态公路车辆自动衡器的检定需要对车辆总重量示值和车辆轴载荷示值分别检定。
The results of simulation test and model test show that the parameters of demonstration instrument are in line with teachers' class operation state.
经过模拟试验和模型测试，结果显示：演示仪参数符合教师课堂操作状态和相合性。
Using electronic components to design circuit, the basic control demonstration instrument is made, and the control phenomena of temperature, magnetism, light and voice are demonstrated.
利用电子元器件设计电路 ，制作了基本控制演示仪 ，演示了最基本的温、磁、光、声控制现象 。
Using electronic components to design circuit, the basic control demonstration instrument is made, and the control phenomena of temperature, magnetism, light and voice are demonstrated.
利用电子元器件设计电路 ，制作了基本控制演示仪 ，演示了最基本的温、磁、光、声控制现象 。
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