多党合作制的英文：
multi-party co-operation in exercising State power

参考例句：

Multi-party co-operation in exercising State power
多党合作制

multi是什么意思：
pref. 多…的

A multi-center fragmentation is governed by steric factors
多中心断裂受到位阻因素的控制。

A multi-center fragmentation is governed by steric factors.
多中心断裂受到位阻因素的控制。

The hotel has the very latest multi in its fitness center .
饭店在健身中心配备了最新的多功能健身器。

party是什么意思：
n. 党，党派；队，社交聚会一方，参与者；餐馆食客
adj. 社交聚会的，党派的，共有的，共用的
v. 参加社交聚会；尽情欢乐，为...举行社交聚会

Ours is a great Party, a glorious Party, a correct Party.
我们的党是一个伟大的党，光荣的党，正确的党。

They are the backbone of the party.
他们是政党的骨干。

an orgy of parties
一连串宴会的狂欢

operation是什么意思：
n. 运转；行动；手术；运算

The operator O is the null operator.
算符O是零算符。

They are computer operators.
他们是计算机操作员。

monitor operator
之声监听员