How to analyze question and decide on main idea in terms of new material composition is an important problem worth deep analysis and exploration.

近年来最常见的新材料作文如何审题立意是需要深入分析探讨的重要问题。

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Subtle increases in production rates or changes in cooling rates, temperature, or material composition can cause new problems.

微妙增加产出率或改变冷却速度，温度，或材料成分，可以产生新问题。

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So far, discoveries include new details about the composition of the Sun and the effects of the solar wind on unprotected material.

到目前为止，较重要的发现包括定出更详细的太阳组成和太阳风对无遮蔽物质的影响。

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