* In the UK, Separation of powers is a doctrine of constitutional law under which the three branches of government, which are executive, legislative, and judicial. The main purpose is to checks and balances make sure that the three powers interact in an equitable and balanced way.

—They agree with these definitions. Some of the definition may change, because the definition may not fit for now. By the way those definitions are the symbol of the history.     

—The importance of Separation of powers is to prevent abuse of power and safeguard the freedom of all people, because the unlimited power in the hands of a person or group of people means that others are suppressed or weakened.

--Legislature-makes the law (uk houses of parliament)

--Executive-implements the law(Whitehall)

--Judiciary-interprets the law(uk supreme court)

— The separation of powers is an essential element of the Rule of Law, and is enshrined in the Constitution.

*三权分立是英国国家的结构，这三个部分是：立法机关，行政机关和司法机关。他们同意这些定义。随着时代的发展，为了更好地适应社会，一些定义可能会改变。

 

2）关键原则：该概念旨在做什么？  

*可以防止权力过度集中，保护人民的自由。这三个部分也相互制约。

 

3）其他原则有哪些张力？ 

*法律规定了三权分立，这是法治的体现。