IC3
- abbr.内部通信电气下士（美国海军一般军阶）
IC3-
Relay IC3 opens , protecting the amplifier and clamping diodes .
继电器IC3断开，保护放大器和钳位二极管。
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Rising overvoltage turns off both transistors in IC2 , interrupting current flow through the control LED of IC3 .
增加过电压关闭IC2中的电阻，通过IC3的控制LED中断电流流动。
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Complement receptor type 2 ( CD21 / CR2 ) is a B lymphocyte cell membrane C3d / iC3 b receptor that plays a central role in immune respones .
补体Ⅱ型受体CD21/CR2是B淋巴细胞膜表面C3d/iC3b受体，在免疫应答中起重要的作用。