• The establishment of Hall thruster experiment system to measure high-frequency radiation.

    建立霍尔推力器内高频辐射实验测量系统

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  • Radiation must have exactly the frequency.

    辐射必须严格具有频率

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  • The light emitted is at a lower frequency than the original radiation.

    发出要比所受照射的光频率

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  • The light emitted is at a lower frequency than the original radiation.

    发出要比所受照射的光频率

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