Brittleness is a vital weakness of ceramicas, strengthening and toughening ceramic matrix composites by carbon fiber is one of discussed focuses in the material science research field.

陶瓷材料的脆性是其致命弱点，通过碳纤维补强增韧陶瓷基复合材料是材料学术界关注的热点之一。

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Critique the material either in the body of the paper or in a separate section. When you critique, you include the strengths and weakness of the material gathered, and include your own ideas.

不管是评价在文章正文或另外部分的资料时，应该评价包括搜集到资料的有点和不足，其中应该包括你自己的想法。

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But for the cement stabilized granular base material intensity standard still has some weakness.

但对水泥稳定粒料基层材料的强度标准仍然存在着认识上的不足。

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The company restated its initial quarterly report as a public company and included a "material weakness" in its financial controls.

WSJ: Groupon Stock Spike Probed

In 2009, significant activities were performed in remediating the material weakness.

FORBES: Numbers At General Motors Just Don't Add Up

In our 2009 Annual Report on Form 10-K, we identified a material weakness because we did not maintain effective controls over the period-end financial reporting process.

FORBES: Numbers At General Motors Just Don't Add Up