The key lies in the fact that the units of meaning, words, can be strung together in different ways, according to rules, to communicate different meanings.

关键在于表意的单位——词语可以按规则以不同的方式串连在一起，来传达不同的意思。

youdao

Then comes the higher level of complexity: combining words according to rules of grammar to give them meaning.

接下来还需要更高的复杂处理能力：根据语法规则组织词汇，赋予它们意义。

youdao

Attributes are also normalized according to rules for their DTD type, but this mostly affects documents that use a DTD, which I do not cover in this article.

还将按照dtd类型规则规范化属性，但这主要与使用DTD的文档有关，本文不再讨论。

youdao

A spokesman from China's Commerce Ministry says the investigation will proceed according to China's laws and the rules of the World Trade Organization.

VOA: standard.2009.09.14

He replied, once we verified there was no danger to a member's property, we had no choice but to back off according to our rules.

他回答道，根据公司规定，一旦确认会员财产无损，我们只能袖手旁观。

耶鲁公开课 - 公正课程节选

And what we see is that 4s lies below 3d, according to this set of rules.

我们看到4s能在3d层下面，这是根据这些规则得到的。

麻省理工公开课 - 固态化学导论课程节选

Server, storage and network resources are combined according to rules and then adapt as per demand.

FORBES: How Nature Inspires Technology

Did it violate a federal law that requires that electors be selected according to rules set before the voting takes place?

CNN: Bush's Contested Lead

And third, different entities can be matched or grouped according to rules.

FORBES: Magazine Article