Our group started the experimental test of the photon rest mass in 2000, and presented a scheme of the modulation method with the precise torsion balance.是什么意思_Our group started the experimental test of the photon rest mass in 2000, and presented a scheme of the modulation method with the precise torsion balance.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句