着重考虑了作为气体微流量标准装置核心的恒压式气体微流量计的原理、结构、下限因素和不确定度等基本问题。
The principle, structure, measurement limit and analyze of uncertainty of the constant pressure gas flowmeter, which was the key component of gas flow standard apparatus, were considered emphatically.
其中，微处理制动控制与车轮滑行控制电子单元KBGM-P，以及制动控制单元BCU是该模拟式电控制动系统的核心控制部件。
The micro - processor braking control, wheel skidding control electronic unit KBGM - P and braking control unit BCU are the key control components of this system.
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