不能在某些地方没有明确定义。
You are not allowed to have somehow places where it is not well-defined.
服务交互必须是明确定义的。
首先,明确定义网站的正式目标—写下来。
First, clearly define the official goal of the Web site — in writing.
The problem with that answer is before you say something is scripture, you have to say why is it scripture,for whom is it scripture, and what does that mean?
这个回答的问题在于,在把某样东西定义为圣典前,必须明确为什么,对谁来说是圣典,那是什么意思?
Because if it's irreversible, it's very likely that I don't know what the pressure inside the system is doing while this is happening.
因为对不可逆过程,系统内部的压强,没有明确的定义,气体不处于平衡态。
We want to have that definition clear because in fact we're going to, we might want tabulate heats of reaction, right, and of course want to know what the conditions are for the tabulated values apply. And we're going to want to calculate them from other quantities and again, we're going to need to know each case what are the relevant conditions?
我们想要明确这个定义,因为实际上我们会想把,反应热制成表格,当然我们会,想知道表中的数据在什么样的,条件下是有效的,我们会,想要从其他的量中算出它们,再一次,我们需要知道,每种情形下相关的条件是什么?
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