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浅谈使用谐波滤波器提高配电质晕

Since 2012, the government's battle against pollution has intensified and more residents have become involved in protection efforts, as Zheng Jinran reports.

Since China began to introduce a negative list management system in the Shanghai free trade zone in 2013, the country's efforts in opening-up have continued to increase.

Since 2015, the Supreme People's Court has vowed to fight defaulters and take steps against them, as the problem often surfaces in public complaints.

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Since 2016, the foundation has sent medical teams to Sri Lanka, Myanmar and Pakistan, treating a total of 1,502 cataract patients.

Ship-recycling yards in Bangladesh, India and Pakistan account for around 80 percent of the global ship-breaking and recycling market, which covers oil tankers, bulk and container ships. China and Turkey account for 15 percent.

Ships on the domestically made lift will descend 66.9 meters from the upstream of the Yangtze River to the river surface.

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Since China's toilet revolution began in 2015, about 53 percent of villages in the country have fully or partially completed the task of upgrading facilities in public toilets.

Shi Yuanhua, a professor of Korean Peninsula Studies at Fudan University in Shanghai, said holding a second summit is a positive signal that US-DPRK ties have improved. Although the two countries' relations have not always been smooth, the overall trend has been upward since the two leaders' first summit, he said.

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Shenzhen, Guangzhou, Foshan and Zhongshan are the cities with most potential for increased populations, while Foshan, Dongguan and Huizhou are expected to benefit from a resulting investment demand overflow and higher urbanization, said the report.

Shenzhen in South China's Guangdong province has the greatest development potential in the country, Sina Finance reported on Friday.