No matter how well tuned a UNIX box is, it's optimized only for a set condition; if the condition changes or is replaced, the UNIX administrator has to adjust accordingly.

无论 UNIX 计算机调整得多么好，它只对于一组条件是最优的；如果条件发生了变化，UNIX 管理员必须相应地进行调整。

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Meanwhile, the set condition that pedestrian crossing transform from non-signal control mode to signal control mode was analyzed by using probability theory and gap acceptance theory.

基于概率论方法和可穿插间隙理论，分析了人行横道由无信号控制方式过渡至信号控制方式的设置条件；

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Argentina failed to hit the economic targets set as a condition for loan payments.

阿根廷没能达到作为贷款偿还条件而设的的经济目标。

《柯林斯英汉双解大词典》

Many everyday activities that cause discomfort, even something as trivial as sunburn, can set off the condition naturally.

BBC: Paralympic athletes who harm themselves to perform better

Further spending cuts of 6.4bn euros - that was the condition set by the EU and IMF in exchange for more aid.

BBC: Debt-laden Greece mired in anger and humiliation

Pakistan's government has delayed a reformed general sales tax, which the IMF set as a condition for the next tranche of the loan, agreed in 2008.

BBC: Pakistan fuel price U-turn 'a mistake'