分析了各种主要的自然技术条件与原煤成本变化的关系，由此确立了各影响因素对成本变化的影响程度。

All kinds of main relationship between natural technology conditions and coal cost are analysed, and the influence degree of cost variations resulted from the influence factors is determined.

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不要指望在近期看见阿拉丁非过你的头顶，但是科学家们说他们所描述的条件是“在自然和技术允许范围之内的”。

Don't expect to see Aladdin flying by anytime soon, but the scientists write that all of their conditions "are within the realm of possibilities in nature and in technology."

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而新的激光技术就不同了，因为它是利用自然的湿度和大气的条件来制造水滴的。

The new laser method is different because it uses natural humidity levels and atmospheric conditions to create water droplets.

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