This switch has decreased pollution in the country's major lakes and reservoirs and made drinking water safer for people.

这一转变已降低了中国主要湖泊和水库的污染，使人们的饮用水更加安全。

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Only after passing the exam and an education background check can they switch to a new major.

学生只有在通过考核和学历背景调查后，才能转到新专业就读。

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How do I switch to the next major release branch?

如何转换为下个主要发布版本分支？

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Meanwhile, ahead of the new season a major transfer switch was completed Wednesday with AC Milan and Inter agreeing to swap strikers Giampaolo Pazzini and Antonio Cassano.

CNN: Juventus coach Conte loses appeal against 10-month ban

This segment of the market is a major beneficiary of the switch from unconventional to conventional vehicles discussed in our post on the subject.

FORBES: China's Auto Market Keeps Booming

Keep in mind that just about all the major carriers plan to switch their networks to IP networks over the next few years, and that means that many will be turning to Cisco for the equipment they need.

FORBES: Cisco's Push For VoIP