Recognize that if you use multiple job spools and spool your back-up job, you cannot be assured that all other jobs will be complete before the back-up job is started.

如果使用多个作业假脱机，而且对备份作业进行假脱机，那么就无法确保在备份作业开始之前完成所有其他作业。

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It takes the ocean's temperature at various depths and relays the results to the floating spool and up to Miss Piggy.

它会测量不同深度海水的温度，将数据传到浮动线圈和上面的佩吉小姐。

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She got up from her seat and said, "Well, this little cinematographer needs to visit the editing room to unreel a spool."

她从椅子上站起身来说：“好吧，放映师需要去剪辑室去解片轴了。”

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Unfortunately, the Leica's take-up spool needs a long tapering tongue of film, which users must wedge under a spring clip on the spool's barrel before manually wrapping a few turns of film around it.

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In their bid to simplify loading 35mm film, Kodak, Fuji and other photographic firms squared off the 35mm roll's lead-in tab so a modern SLR's motor-driven loading mechanism could grab the film's sprocket holes and wind it automatically onto the take-up spool.

ECONOMIST: A die-hard analog photographer goes digital

Peak torque arrives quickly, at 3, 250 rpm, and the squirt from a standing stop to that rpm comes on with great urgency because the newest Bentley uses twin turbochargers that spool up very rapidly.

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