计算：使用公式计算数据库共享内存，我们得到。

Calculation: Use the formula to calculate database Shared memory, we get.

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它根据系统负载的各个组成使用公式进行计算。

It is a formulaic calculation based on various components of system load.

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当使用公式得到最初的评估后，可以和过去类似项目进行比较。

When an original estimate figure is produced using a formula, it can be compared against similar projects that took place in the past.

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So I just want to use that again and again, starting from that, for various different sorts of conditions andderive the criterion for equilibrium in each set of conditions.

所以我将会一遍又一遍地使用这个公式，从这个公式出发，在各种条件了,推导出,任意条件下的平衡条件。

麻省理工公开课 - 热力学与动力学课程节选

Once you get a formula, you've got to always remember the terms under which the formula was derived.

使用公式时,你一定不能忘记,公式使用的前提条件

耶鲁公开课 - 基础物理课程节选

In order to compute using this formula you have to know the true probabilities.

使用这些公式之前,必须知道真实的概率值是多少

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