Significant improvements are needed, and they can only come gradually.

我们需要重大的改善，只能慢慢来。

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This asynchrony can lead to significant improvements in query performance.

这种异步可以显著提高查询的性能。

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The advances in this region are mainly due to significant improvements in health and education.

这些地区的进步，主要是在卫生和教育方面的重大改善。

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"Making the significant improvements we recommend requires a sense of urgency and strong leadership, " it said.

NPR: Veterans React to Report on Care

Apple in as many years, and each one has made fairly significant improvements to its camera.

FORBES: How Much Better Will The Camera On The iPhone 5S Be?

Olympus PEN E-PL5: This powerful performer boasts significant improvements in functionality and ease of use.

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)