价值链的英文：
value chain

value是什么意思：
n. 价值；价格；重要性；益处；等值；等价物；价值观念；社会准则；标准
v. 给...估价；给...定价；评价；尊重；重视；珍视

A value for the attribute was not in the acceptable range of values.
属性值不在接受范围内。

The value provided was an invalid value for an identifier authority.
所提供的值是无效的标识符颁发机构的值。

These coins are not equal value.
这些硬币的币值不等。

These suitable values will be zero or infinity.
这些适当的数值可以是零，也可以是无穷大。

They debased the value of the dollar.
他们使美元贬值。

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。