During production in oilfield, scaling has affected seriously normal production and development effectiveness.

油田生产过程中的结垢问题常常会严重地影响油田的正常生产和开发效果。

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RTE determined the daily physiological development effectiveness(PDE), which accumulated to be daily physiological development time(PDT).

每日相对热效应（RTE）决定每日生理发育效应（PDE）的大小，其累积形成每日的生理发育时间。

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Based on the history matching, we stimulate the development effectiveness of various well stimulation, predict 7 kinds of development programs.

在历史拟合的基础上，模拟了不同增产措施的开发效果，预测了7种开发方案。

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Environment Minister John Griffiths was making a statement on the sustainable development effectiveness review, during plenary on 31 January 2012.

BBC: Democracy Live site links

He gave evidence to the House of Lords Economic Affairs Committee on 24 January 2012 as part of an inquiry into the effectiveness of development aid.

BBC: Economic Affairs Committee

First, they will focus on the effectiveness vaccinating badgers and then on the development of a cattle vaccine, its likely effectiveness and cost, and the timescale for availability.

BBC: Week ahead in committees