当两个数量相乘时，第一个数量称为乘数，第二个数量称为被乘数。
When two quantities are multiplied, the first quantity is called the factor and the second quantity is called the faciend.
这些游戏可以使这一数字提高两个数量级，会有数以千计的人做出新的发现。
These games could increase that number by two orders of magnitude-we'd have thousands of people making new discoveries.
在测试一个有着100万对象的集合时，i4o将速度提高了差不多两个数量级。
In tests against collections of 1 million objects, i4o resulted in speed improvements of roughly two orders of magnitude.
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