其可减低发热体的电力消耗，提高响应速度，是一种适用于测量汽车发动机进入空气流量的空气流量计。
The utility model can reduce the electric consumption of the heating body, advance response speed, which is an air flowmeter applied to measuring air flow entered into the automobile engine.
他计划一旦确定了样机发动机的推力和效率，就开始测量离子的速度和它们的能量。
He plans to begin measuring the velocity of the ions and their energy as soon as the prototype is ready to determine the thrust and efficiency of the engine.
介绍了一种发动机无外载功率检测系统的软、硬件设计，利用测频法测量出某一时刻的瞬时速度，并利用最小二乘法求出角加速度。
By the method of frequency measurement, instant rotational speed is measured in the test system, angular acceleration is calculated by using the feature of the MCU with the least square method.
介绍了一种发动机无外载功率检测系统的软、硬件设计，利用测频法测量出某一时刻的瞬时速度，并利用最小二乘法求出角加速度。
By the method of frequency measurement, instant rotational speed is measured in the test system, angular acceleration is calculated by using the feature of the MCU with the least square method.
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