They introduced a new voting system that severely limits fraud, using a clever mix of high-tech and low-tech.

他们引进了一种新的，融高科技和低技术于一体的聪明的投票系统，可以最大程度地限制舞弊行为。

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It has the advantages such as good heat transfer performance, simple structure, low manufactory cost and high heat transfer limits.

这种热管具有传热性能良好、结构简单、加工成本低廉、具有较高传热极限等特点。

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High carbon content in fly ash not only results in the low combustion efficiency, but also limits its utilization as construction materials.

锅炉飞灰中含碳量高不但导致了锅炉燃烧效率的降低，也限制了飞灰的再利用。

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The cumulative message of several recent studies is that there are serious limits to what school can do for you, and this is true at both the low and high ends of the ability distribution.

FORBES: The Big Lie