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The Electrochemical Eye (EC-Eye) developed at HKUST, however, not only replicates the structure of a natural eye for the first time, but may offer sharper vision than a human eye in the future, with extra functions such as the ability to detect infrared radiation in darkness. The key feature allowing such breakthroughs is a 3D artificial retina, made of an array of nanowire light sensors which mimic the photoreceptors in human retinas.

The Constituent National Assembly was elected in 2017 under Maduro's call to draft a new constitution for Venezuela. With the opposition boycotting the vote, it is largely dominated by government supporters and has been exercising most of the National Assembly's powers.

The Dujiangyan irrigation system in Southwest China's Sichuan province is the only irrigation project system in the world built over 2,000 years ago that is still used for practical purposes. It is important in draining off flood and to irrigating farms, and providing water resources for more than 30 counties and cities in the province.

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The Chinese-built 472-km-long Standard Gauge Railway (SGR) linking Kenya's capital Nairobi and East Africa's biggest port city Mombasa comes as part of ambitious efforts to build a 2,700-km East Africa corridor connecting Kenya, Uganda, Rwanda, South Sudan and other East African countries.

The Chinese side called for a serious consideration of China's "dual track" and "dual suspension" proposals. The "dual suspension" calls for the Democratic People's Republic of Korea to suspend its nuclear activities and for the US and South Korean side to suspend their large-scale military drills.

The Chinese naval fleet has paid 103 visits to 63 countries so far, according to the spokesperson.

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The European Left party said in its congratulatory message that the CPC has long secured peace and development and upheld people-centered principles.

The Dow Jones Industrial Average sank by more than 1,800 points minutes after the market opened and the S&P 500 plunged by 7 percent, triggering a "circuit breaker" that halted all trading for 15 minutes.

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The Chinese side strongly condemns and firmly opposes the unfounded Section 301 investigation and the proposed list of products and tariff increases based on the investigation.

The Committee of 100, a non-partisan leadership organization of prominent Chinese Americans in business, government, academia and the arts, on Friday urged greater political engagement in 2020 by Asian-Americans.