Many of the key base classes also picked some frequently requested helper function.

很多关键的基类也挑选了一些被大家经常要求的辅助函数予以实现。

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Water hydraulic control valves are important and the key base components in water hydraulic system.

纯水液压控制阀是纯水液压系统的重要关键基础元件。

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City nodes have been a key base of city building for they serve as both major public places for city dwellers and Windows to city view and culture.

节点作为市民进行公共生活的主要场所和对外展示城市风貌的重要窗口，是城市建设中的重点。

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The United States maintains a key logistical military air base outside Bishkek to support NATO operations to fight insurgents in Afghanistan.

VOA: standard.2010.04.12

The man in the newly released video , is identified as Humam Khalil Abu-Mulal al-Balawi, who blew himself up inside a key U.S base in an eastern Afghan region bordering Pakistan.

VOA: standard.2010.01.09

Although Qatari businessmen now have a strong foothold in French and Spanish football, they remain without a key base in the English Premier League, which boasts the highest attendance figures in European football.

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But the moves - which include closing a key air base and replacing it with a new base in the north of the island - are stalled amid entrenched opposition in Okinawa to the construction of the new base.

BBC: US troops held over Okinawa alleged rape

First and foremost economics: China already is or will in time become that largest and fastest growing market for a range of Japanese exports, a key production base for its industrial companies, and a source of important imports, from finished goods, to parts, to primary materials and food.

FORBES: More on the Future Japan-China (and Japan--U.S. ) Relationship