DC voltmeter PA2: the secondary DC current exported by indicating device.
直流电压表pa 2：指示设备输出的二次侧直流电流。
It can improve the reliability and quality of the high voltage DC electrical system of airplane to adopt modular power supplies to construct a secondary distributed power system.
采用模块电源构成飞机高压直流电气系统的二次电源分布式系统，可提高供电可靠性和供电质量。
DC power is a very important secondary equipment in substation, its performance and quality will have a direct bearing on the stable operation of power grids and safety equipment.
变电站直流电源是变电站非常重要的一种二次设备，其性能和质量的好坏直接关系到电网的稳定运行和设备安全。
The fuel cell is connected with traction motor inverter directly and connected with the secondary battery and DC/DC convert in series.
燃料电池与牵引电机逆变器直接相连，与辅助电池和DC/DC器串联。
The approach utilizes 2-level derivation of secondary current and a 3-sample fitting calculation for decaying DC component depress as well as the sample data identifying.
该方法采用微分电路和三采样值运算法，以电流的二阶导数深度抑制非周期分量并提高对采样值的甄别。
Thorough studies on DC-SIGN in primary immunology, secondary immunology and relevant mechanism will certain provide us with a new method in treating and preventing certain diseases.
而对DC-SIGN在天然免疫和获得性免疫中调节作用及其相关机制的更深入研究，可为临床相关疾病机制探讨与防治进一步提供新的有力依据和干预途径。
Thorough studies on DC-SIGN in primary immunology, secondary immunology and relevant mechanism will certain provide us with a new method in treating and preventing certain diseases.
而对DC-SIGN在天然免疫和获得性免疫中调节作用及其相关机制的更深入研究，可为临床相关疾病机制探讨与防治进一步提供新的有力依据和干预途径。
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