相反，它们最多可能涉及一点算术，比如“两个奇数之和为偶数”，以及常识。

Instead they may involve, at most, a little arithmetic, such as "the sum of two odd numbers is even", and common sense.

youdao

（经济）放缓有两个令人担忧的特点。其一，在世界上人口最多的国家——印度和中国，这种现象尤为明显。

There are two worrying features of the slowdown. One is that it has been particularly sharp in the world's most populous countries, India and China.

youdao

您可以为最多两个物理插槽购买许可并使用最多8个处理器核。

You can purchase licenses for up to two physical sockets and use up to 8 processor cores.

youdao

So this is just the idea that the most electrons that you can have in a single orbital is two electrons.

这个观点是在一个单个的轨道中,最多容纳两个电子。

麻省理工公开课 - 化学原理课程节选

That makes sense because we know that every single electron has to have its own distinct set of four quantum numbers, the only way that we can do that is to have a maximum of two spins in any single orbital or two electrons per orbital.

那个讲得通,因为我们知道每一个电子,都有它自己独特的量子数,我们能做的唯一方式是,在任一单个轨道中最多有两个自旋电子,或者每个轨道有两个电子。

麻省理工公开课 - 化学原理课程节选