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Dichlorvos is mainly used for pest prevention in the cultivation of cotton, wheat, tea shrubs and apples.

Ding said although the concept of nanorobots for medical use had previously been introduced with experiments conducted in test tubes, this is the first time that experiments have been conducted in living organisms within sophisticated and often uncontrollable biological environments.

Dmitry Novikov, deputy chairman of the Central Committee of Communist Party of the Russian Federation, said the Belt and Road Initiative is promising in reinforcing economic cooperation among countries and will boost the upgrading of political and cultural cooperation among them.

Despite the short-term retreat and trade tensions, analysts said the A-share market is still worth investing in this year, given historically low valuations and the nation's policies to promote the market's healthy development.

Domestic commercial banks handled over 37.5 billion mobile payment transactions last year, up 46.06 percent year on year, according to the report from the Payment & Clearing Association of China.