The multimedia demonstration instrument has become an indispensable tool for college teaching.
多媒体演示仪已成为高校教学的必备工具。
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。
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