Many methods, once developed, are kept purposely static so that data can be compared over long periods of time.

新方法一但确立，会有意保持其不变，以便数据长期具有可比性。

youdao

The SAT is owned, published, and developed by the College Board, a non-profit organization in the United States, and was once developed, published, and scored by the Educational Testing Service (ETS).

SAT由美国一家非盈利组织-大学理事会拥有、出版和制定，曾经由美国教育考试服务中心(ets)开发、发行和评分。

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Once developed, an application can be easily deployed to the application server we use.

应用程序开发后，可以轻松部署到我们使用的应用程序服务器。

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Once again,a conflict developed between moderates and extremists in the Japanese government.

VOA: special.2011.05.26

So much more important than historical verifiability is the conviction of the ancient Israelites who received and venerated these traditions, and developed them, and embellished them, that God had once acted on their behalf, rescuing them from bondage, binding them to himself in an eternal covenant.

无比史料证明更重要的是,古代以色列人坚定的信仰,他们接受并且崇敬那些传统，将它们发扬，美化它们，认为上帝曾为了他们而行动，将他们从奴役中解救，在永恒的契约中将他们与上帝联系在一起。

耶鲁公开课 - 旧约导论课程节选

Once the site is developed, Paul Woods says the fuel it produces will be competitive with gasoline produced from petroleum at nearby refineries.

VOA: standard.2009.09.02

Fumio Ueno of Toshiba says that once developed, the uses of miniaturized direct methanol fuel cells have endless possibilities.

CNN: Search for better phone power

The Japanese company, which is a big manufacturer of cell phones and infrastructure equipment such as base stations, once developed analog handsets for the North American market only to sell out of that business about 12 years ago.

FORBES: Magazine Article

Though Hiya will launch as a free app without ads, WhitePages plans to monetize it once it has developed a following.

FORBES: WhitePages Wants To Be Your Location-Aware Mobile Address Book