structural improvement

基本解释

Lead is mainly used in batteries and has enjoyed a structural improvement in demand in recent years.
铅主要用于制造电池，近年来其需求结构也已得到改善。
The result also can be applied for the theoretical basement in the structural improvement, optimal design and dynamic modification.
其分析结果可以为其结构改进、优化设计和动力修改提供理论依据。
Anticorrosion design means it's should be made under consideration the need of anticorrosion when designing the machinery aspect, and making reasonable design and structural improvement.
防腐蚀设计即在机械设计时应考虑防腐蚀的要求，并进行合理的设计和结构改进。

So America has not suppressed inflation in prices by means of a structural improvement in the labour market.
ECONOMIST: Economics focus
With strikes, protests and now riots becoming a regular feature in Greece, and the unemployment rate reaching nearly 21% in November (latest data), leaders need to show their constituents that further pain (mainly via declining wages and social services) is worth the near-term aid and the assumed longer-term structural improvement for the Greek economy.
FORBES: All Politics Are Greek
Structural policy adjustments have played a role in some countries, but the improvement also reflects cyclical effects, in particular the relatively weak cyclical position of many advanced economies and movements in terms of trade.
WHITEHOUSE: The Los Cabos Growth and Jobs Action Plan

结构改进
It can provide theory basic for designing the control valve that has high efficiency and low energy loss. At the same time, it can offer reference and guide foundation for structural improvement of the other type of valve.
同时对于其它类型阀门的结构改进也有一定的参考价值和指导意义。