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1·For many products, Labour is a small and diminishing fraction of total costs. And long, complex supply chains turn out to be riskier than many firms realised.

对许多产品，劳动力占总成本很小并逐渐减少，而又长有复杂的供应链原来比许多公司意识到的更具风险。

2·Along with being very cost effective, Drupal allows you to develop complex sites in a fraction of the time it would take using other technologies.

Drupal的经济有效性非常好，与使用其他技术相比，只需花几分之一的时间就能够开发出复杂的站点。

3·Both a mathematics article and a novel are telling a story and developing complex ideas, but a math article does the job with a tiny fraction of the words and symbols of those used in a novel.

数学论文和小说都是讲述一个故事以展显复杂的思想，但是数学论文只用小说词语和符号的一小部分数量就完成这件事。

4·It is not necessary to introduce a complex concept of fraction, just give them an example!

采用复杂的分数概念是不必要的，只是给他们一个例子。

5·Fractional crystallization and assimilation constrain lithological composition and fraction, and play a key role in the formation of intrusive complex.

结晶分异和同化混染是侵入岩体形成过程中控制岩相成分和分异程度的主导因素。

6·Biliary protein was isolated and purified by ammonium sulfate fraction and Sephadex G-75 gel filtration column chromatograph from complex pig bile.

采用了凝胶过滤结合硫酸铵沉淀法从异常复杂的胆汁中成功分离出一种蛋白质。

7·The experimental results show that the precision test method based on continued-fraction approximation is more effective, less complex and achieves faster convergence.

结果表明，该方法在精度测试方面更有效，复杂度更低，收敛速度更快。