通过几年来的现场试验和推广应用，有效解决了大芦湖和小营油田的井筒结蜡和油层保护问题，提高了油井产量和经济效益。
The field applications of microbial wax prevention technology in Daluhu Oilfield and Xiaoying Oilfield show that the well wax deposition and oil bed protection problems were solved effectively.
结果表明，采用壮苗和密植是提高早期产量和经济效益的有效途径。
The result shows that the adoptation of vigourous seedling and dense planting is an effective way to raise the early yield for profits.
运用此模型及算法可以有效确定经济定货量和经济生产量，最大限度降低年生产费用。
The ordering quantity and production can be determined economically and effectively with this model to minimize the total annual cost.
正确分析特征气体的产量，可以有效诊断出变压器的潜在故障缺陷和故障类型，对电力系统安全和经济的运行有着极为重要的意义。
We can effectively diagnose the potential fault defects and types by correctly analyzing the outputs of characteristic gas. It is important to the safety and stability of whole power system.
农业害虫给农作物产量和品质造成了重大经济损失，利用农作物抗虫特性，选育和种植抗虫品种是防治虫害最经济、有效的措施。
Agricultural pests have caused serious economic damage to production and quality of crops. The use of crops resistant to pests is the most economic and efficient measure in controlling pests.
为解决运城盆地屯屯枣树产量极低的问题 ，采取高接换优 （相枣 ）技术 ，并实施综合管理方法 ，有效地提高了产量 ，增加了经济效益。
To solve the problem of very low yield of Tuntun jujube in Yuncheng basin, it was top grafted with Xiang jujube.
为解决运城盆地屯屯枣树产量极低的问题 ，采取高接换优 （相枣 ）技术 ，并实施综合管理方法 ，有效地提高了产量 ，增加了经济效益。
To solve the problem of very low yield of Tuntun jujube in Yuncheng basin, it was top grafted with Xiang jujube.
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