如果他们笨，就不会有这么多的高科技，这些都是要求非常细微精确的计算才能实现的。
If they were, they wouldn’t have developed all this technology, which requires very subtle calculations.
与其它英语文体相比，科技英语有其自身的词法和句法，具有精确、简洁、客观、严谨等特点。
Compared with the other English styles scientific and technical English has its own characteristics of exactitude, conciseness objectivity and well-organized structure.
本文运用了灰色GM（1，1）模型及线性回归模型对科技经费投入进行预测，从实际算例可知其精确度是相当高的。
The expenditure of the funds for scientific research is predicted by means of the GM(1,1)Model and the Linear Regression Model with high accuracy.
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