If cement plant labouratory use EXCEL program to deal with its huge database, the test will be more exact and timely.

水泥企业化验室利用EXCEL处理其庞大的数据，将会极大提高化验操作的准确性和及时性。

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Optimism has been further tempered by one European labouratory which says it can't be sure that, as thought, contaminated vegetables were definitely the source of the E.coli outbreak.

更加让人不乐观的是，欧洲一家实验室表示，他们并不能确定污染了的蔬菜是这次大肠杆菌爆发的源头。

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