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Deferred Grants - Summary of Deferred Grants (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2019
CNY (¥)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2019
USD ($)
Subclassifications of assets, liabilities and equities [abstract]        
Beginning balance ¥ 607,608 $ 85,758 ¥ 353,647  
Received during the year 187,096 26,407 282,388  
Released to consolidated statement of profit or loss (117,976) (16,651) (28,427)  
Ending balance 676,728 $ 95,514 607,608  
Current (Note 24) 19,952   22,082 $ 2,816
Non-current ¥ 656,776   ¥ 585,526 $ 92,698