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China has a six-grade water quality grading system, with the highest three grades suitable for human consumption and the lowest "below grade V" level.
China ensures lawyers' right of practice so that lawyers play a bigger role in safeguarding the legitimate rights and interests of parties concerned.
China conducts a national population census every 10 years, with the last census in the world's most populous country finding that its population had increased to 1.37 billion.
China has more than 1,100 projects empowered by 5G technology and industrial internet, and over 30 industries including raw material and healthcare have seen the application of industrial internet, said Xiao.
China has made remarkable achievements in improving human rights protection over the past 70 years, notably in people's livelihoods and development rights, especially after respecting and protecting human rights were added to the Constitution, human rights experts said.