当建筑技术逐渐改善，摩天大楼变成现实。

As construction techniques improved, the skyscraper became a reality.

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但从2002年春天开始，以色列的安全形势逐渐改善。

But security in Israel improved progressively from the spring of 2002.

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医生说，我们的“结构性悲观症”正在逐渐改善。

The doctor says my structural pessimism is getting better.

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Things started to happen in response to this and risk management got better.

因此不断涌现出新的东西,风险管理逐渐改善。

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So iodine deficiency was a real problem and then salt started getting fortified with iodine, and that really corrected a lot of those deficiency problems around the world.

碘缺乏曾经是个大问题,随着加碘盐的逐渐普及,使得全球诸多碘缺乏问题得到了改善

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