后期带动的英文：
backward linkage

backward是什么意思：
adj. 向后的，落后的
adv. 向后

Water can not turn Backward
河水不能倒流

Our society is going backward.
我们的社会在倒退。

Youth look forward and age Backward
青年人展望未来,老年眷恋过去

Youth looks forward and age Backward
青年人向前看,老年人向后看

Their policy of bullying backward countries has not changed.
发达国家欺侮落后国家的政策没有变。

linkage是什么意思：
n. 联合,连锁,结合,联动

It is the most commonly used linkage mechanism in machine construction.
它是机械结构中最常用的连杆机构。

Use of electronic linkage with suppliers should be considered in order to optimize communication of requirements.
组织应当考虑在与供方沟通时使用电子媒体，以便使沟通要求最佳化。

Where might intrachain disulfide cross-linkages be formed?
哪里可以形成链内二硫键？

The bond in which the linkage pair of electrons are providedby one of the bonding atoms.
一个键合原子用以联结一对电子的键。

Forward linkage of an industry : The relationship between an industry or firm and other industries or firms which use its output as an input.
产业的前向联系:一个产业或企业与另一些使用其产品作为投入的产业或企业之间的关系。