计时器
Clock motor operated running time meter furnished for each motor and actuated by motor starter auxiliary contacts.
每台电机均配置电钟电机运行计时器,由电机启动器辅助接点驱动。
Method 201 children aged 5-6 years were investigated on the development of physical and diathetic indices, including weight, height, chest circumference, standing long jump, time of 20 meter running and time of one leg standing.
方法采用典型相关分析方法,对201名5~6岁儿童进行了体格形态和体能测试,指标包括:体重、身高、胸围、立定跳远、20米跑时间和单腿站立时间。
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