...结论:面向对象(OO)之后是面向事实(FO),在面向事实(FO)的分析、设计和编程中,我们将主要围绕事实(fact)、原子事实(atomic fact)和模式(form)这些基本概念来组织我们的软件开发活动。
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In the atomic fact the objects are combined in a definite way.
在原子事实中,对象之间以某种确定的方式相连。
In the atomic fact objects hang one in another, like the links of a chain.
在原子事实中,对象如同一条锁链一样相互连接。
It is essential to a thing that it can be a constituent part of an atomic fact.
事物的本质就是,它可以成为某个原子事实的一个组成部分。
I would say with the aid of an energy level diagram explain the fact that helium is found as atomic gas and not molecular. How about this one?
我要说的是,在能级图的帮助下,可以解释氦气是单原子气体,而不是分子气体这一事实,那么这个呢?
The 1 s just comes from the fact that the molecular orbital is a combination of two 1 s atomic orbitals.
是因为分子轨道是两个,1s原子轨道的组合。
But once we got to the atomic size scale, what happens is we need to be taking into account the fact that matter has these wave-like properties, and we'll learn more about that later, but essentially classical mechanics does not take that into account at all.
但一到到了原子尺度量级,我们必须考虑到物质,这时候有波动性质,关于这点我们今后将会学到更多,但本质上经典力学并,没有考虑这个性质。
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