The evolutionary theory of economy provides an effective instrument to observe institution change.

经济演化理论为观察制度变革提供了一个有效的工具。

youdao

The mathematical model is the effective instrument for human to know and transform the whole world.

数学模型是人类认识和改造世界的有效工具。

youdao

In a competitive electricity market, forward contracts can be used as an effective instrument for risk management and bilateral transaction.

在竞争的电力市场环境下，电力远期合同是一种有效的风险管理工具和交易手段。

youdao

"This is an evaluation instrument that is finally able to capture who is highly effective and who is ineffective and who could be doing better and could use some assistance.

VOA: special.2011.08.11

The accompanying plan of action was intended to make globalisation an effective instrument for the development of all countries and all people.

BBC: Talks end with plea for the poor

Brugman highlighted the role of culture as an effective instrument to convey messages in relation to complex themes, particularly in relation to society and education.

UNESCO: MEDIA SERVICES

The office of the prosecutor general, set up in 1991, has proved an effective instrument and unlike in the past no one is exempt from complying with the law.

ECONOMIST: Letters