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上交會(huì )在滬開(kāi)幕 打通技術(shù)貿易“最后一公里”

2018-04-20 09:17來(lái)源：新華網(wǎng)

　　4月19日，工作人員（右前）向參觀(guān)者介紹一款連接超精密無(wú)線(xiàn)顯微操作系統的活體顯微鏡。新華社記者 方喆 攝

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