Certain basic rules must be obeyed.

有些基本规则必须要遵守。

And the Law must be obeyed.

律法必须遵守。

The Constitution would be obeyed.

宪法将得到遵守。

The rules must be complied with, ie obeyed.

这些规章制度必须遵守。

The leader enjoined that the rules should be obeyed.

这些规章制度必须遵守。

The law lays down that speed limits must be obeyed.

法律规定，行车必须遵守速度限制。

The Law, however, was the Law; and the Law must be obeyed.

不过，律法毕竟是律法，必须遵守。

The role of the police is to ensure (that) the law is obeyed.

警察的作用就是要确保人们遵守法律。

All of you must know that the repeated injunctions must be obeyed.

你们必须都知道，三令五申的法令要遵守。

So I've got a function to maximize and a constraint that must be obeyed.

一个需要得到最大值的函数,和一个需要遵守的约束条件。