Much improvement has been made in the public order of the city.

这个城市的治安有了很大的改进。

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And an improvement has been made on an ambiguous problem in MC algorithm.

针对MC算法存在的二义性问题进行了改进。

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Major improvement has been made in the studies of interstellar molecular clouds and star formation.

一方面是星际分子云与恒星形成的天文研究取得了令人瞩目的成就。

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But that was over two years ago and experts say little improvement has been made since.

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"While there is still much room for improvement, progress has been made in three of the four 'healthy prison' tests, with the fourth remaining unchanged, " she said.

BBC: Maghaberry prison 'is not safe enough'

In fact, the apparent improvement in job numbers has been made up of one part extra hiring and two parts reduced firing.

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