锁定理的英文：
chain theorem

chain是什么意思：
n. 链，束缚，连锁
v. 用锁链拴住，束缚，囚禁

a chain of supermarkets/a supermarket chain
超级市场联号.

a chain of mountains/a mountain chain
连绵的山[山脉]

Chains of gold are stronger than chains of iron
金链锁人比铁炼更牢靠

chain, link, articulated, other than roler chain
滚链除外的铰接链

The length of the chain molecule is proportional to the kinetic chain length
链分子的长度与动力学链长成正比。

theorem是什么意思：
n. 【术语】（尤指数学）定理

The theorem may be explained as follows.
这条原理可以这样来阐述。

As a particular of Rado's theorem and the compactness theorem one obtains the following result
作为Rado定理和紧致性定理的一种特殊情形，我们得到下面的结果。

In his book he gave definitions and theorems but no proofs
在他的书中他给出定义和定理但无证明。

All this leads up to the most fundamental of theorems of calculus.
综上所述就导出了微积分学中的最基本的定理。

The assertion is known as the closed graph theorem for Hilbert spaces.
这个断语被称为希耳伯特空间的闭图象定理。