The approach can decrease drilling cost and reduce drilling period, realize great economic benifit in offshore drilling operation.
采用这种方法可节约海上钻井成本，缩短建井周期，获得显著的经济效益和社会效益。
Compared with the round zinc cake, it had marked benifit in efficiency and economy and to promote this technology in battery industry.
与传统的圆形锌饼比较，其经济和社会效益显著，对整个行业生产工艺技术的提升有重要作用。
The result showed that it could increase a stand productivity and economic benifit in both the mixed stands of A. mearnsii and Nanmu phoebe, and A. mearnsii and China fir.
试验结果表明，黑荆与楠木、黑荆和杉木这两种混交林能提高林分生产力，增加经济效益。
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