But is any operating system perfect?

但是有没有完美的操作系统呢？

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The advantage of new system and manual interlock are used in old system revamp, which made the auto control of belt system perfect.

在旧皮带系统改造过程中，吸取了新系统设计的优点，并增加了皮带手动联锁，使皮带系统自动控制更加完善。

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After the commissioning and tech repeated efforts, the new system perfect, already all settlement module can be normal global member.

经过技术部反复的调试和努力下，新系统结算模块已经全部完善，可以正常进行全球会员注册。

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"It is not perfect, but then there is no country that has a perfect system."

VOA: standard.2009.09.24

So, the idea that theorists suggest-- and it may be unreachable-- but the perfect financial system would have all of our risks pooled completely.

理论家提出的这一理论-,可能无法达到-,但是一个完美的金融体系,能够将所有的风险完全分摊。

耶鲁公开课 - 金融市场课程节选

This racking system is perfect for those who love a modern and minimalist style.

FORBES: 8 Posh Wine Cellars

No immigration system is perfect.

ECONOMIST: Visas for entrepreneurs

The system made perfect sense.

ECONOMIST: Genomics has not yet delivered the drugs, but it will