It assumes that you are already familiar with system and database concepts.

本文假定您已经熟悉系统和数据库的概念。

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Those familiar with System I and database query performance analysis and tuning, understand that controlling the optimization goal is a critical step to optimizing performance.

那些熟悉system i和数据库查询性能分析和调优的人就会理解控制优化目标是优化性能的关键步骤。

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The users are familiar with the system regardless of how convoluted it actually is.

因为用户熟悉这个系统，尽管该系统在实际使用时非常复杂。

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When you are not familiar with the tube system and how that works,

当你不熟悉地铁系统，不知道它如何运作的时候，

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Those stemmed from flaws in the software that operates the systems of mechanical docks and payment kiosks, according to city officials and people familiar with the system's development.

WSJ: Open to All, New York City Bike Share Copes With Glitches

Daniel Bouton, SocGen's boss, has argued that Mr Kerviel could easily conceal the vast positions he took because he had previously worked in the back office, so was familiar with the system of controls.

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As Microsoft refuses to comment either way on anything its next console is capable of, those of us in the media are reliant on inside sources familiar with the upcoming system to give us any clue of what to expect.

FORBES: New Sources Say Microsoft's Next Xbox Needs Internet To Live