This regularity is used to guide the mining of oxidation ores with good economic effect.

并运用矿石氧化富集规律指导氧化矿开采，取得了较好的经济效益。

youdao

For the work of site investigation at the entrance of Nanliujiang River is quite successful, a good economic effect has been received as well as society effect.

南流江出海口海上工程地质钻探施工是成功的，取得了较好的经济和社会效益。

youdao

In order to get a good economic effect and make use of the good geographical position, the cave extension becomes a favorable option for the rock cave construction.

为了取得良好的经济效益和利用原有洞库良好的地理位置，洞库扩挖成为岩石洞库施工中一项非常值得考虑的方案。

youdao

In fact, national support of longer-term research has evolved to an assumed national responsibility with the side effect that we are not carefully considering what makes these expenditures good investments for high economic returns.

FORBES: Why The Government Needs To Invest In Innovation