Start F. D. F, then fully open F. D. F inlet vane, and perform the furnace purge for three minutes.

起动风机，将风门开到最大，进行炉膛扫气三分钟。

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Take a boring photo with your 50mm f/1.8 prime wide open, with a small sliver of your subject in focus.

用你的50mm f/1.8定焦头，光圈开最大拍一张特无聊的照片，让你拍的东西只有一丁点在焦距上。

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In the same spirit as other new Microsoft languages, the F# compiler and tools will open source under the Microsoft Public License.

与另外一个新微软语言的精神相同， F#编译器和工具将在微软公共许可协议（Microsoft Public License）下开源。

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In Europe four nations recently began cracking open 300 F-16 jet fighters like eggs and stuffing them with new electronic components that turn them into the hottest fighters in the sky.

CNN: The Sky's The Limit

Fortunately, many of Charlie Wilson's successors on Capitol Hill have begun to engage on the question of whether to keep open the production line for the F-22.

CENTERFORSECURITYPOLICY: Gordon England's war

Senator Saxby Chambliss, a Republican from Georgia, got an amendment into the budget to buy seven more F-22s and keep the Marietta, Ga. production line open.

WSJ: Grounding the F-22