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Cockroach Labs, the New York-based database company behind the open-source CockroachDB database, will change the terms of the license agreement in the next version of the open-source project to prohibit cloud providers like Amazon Web Services from offering a commercial version of that project as a service.

Compared to benchmark Asia-Pacific markets like Australia and New Zealand where hearing aids penetration rate is the highest and hearing care is very strong, penetration in China is seven or eight times lower, said Perler. The latest national survey showed that there are 27.8 million people in China born with, or affected by, hearing problems.

Cold chain logistics refers to the use of temperature-controlled systems within an uninterrupted series of storage and distribution activities. It is essential for e-commerce companies to reduce costs and ensure the quality of perishable goods.

Commenting on challenges brought by the policy change, Lu said the way to win out in the fierce market competition for NEV manufacturers lies in improving the quality of products and offering better technical services.

Coal output reached 3.68 billion tonnes in 2018, 115 times of only 32 million tonnes 70 years ago, according to Huang Yuzhi, head of the National Coal Mine Safety Administration.