The virus-free rate of PNRSV is 93.3% less than 0.5mm shoot tip, it was proved that PNRSV could be eliminated effectively from sweet cherry plantlets in vitro by culture of shoot tip less than 0.5mm.是什么意思_The virus-free rate of PNRSV is 93.3% less than 0.5mm shoot tip, it was proved that PNRSV could be eliminated effectively from sweet cherry plantlets in vitro by culture of shoot tip less than 0.5mm.在线翻译_英语_读音_用法_例句