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C4ISRNET on MSN14 小时
Chinese hold on solar-power tech raises fresh sabotage fears in Europe
After a news report about undeclared circuitry in Chinese solar components, European experts fear the bloc may be vulnerable ...
Planet Analog21 小时
Designing a simple electronic impulse relay module
Impulse relay turns on with an electrical impulse at the control input and turns off again with another impulse.