新技术和新数据库都是富有成果的，且是成倍增加的。
And new technology and new databases were fruitful and multiplied.
选项2：对于同类成倍增加的产品，测试的平均结果必须达到最小值水平。
Option 2: The average of test results for a multiple pieces of a product must meet a minimum level.
与惠普现在提供了一个延长保修期，和戴尔寻找可能做同样的，这只会成倍增加的成本。
With HP now offering an extended warranty period, and Dell looking likely to do the same, this will only multiply the cost.
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