经济效益

Afforestation is very important not only for the survival of mankind's environmental benefits, and the production of human life and has enormous economic benefits.

植树造林不仅对于人类的生存具有十分重要的环境效益，而且对于人类的生产和生活具有巨大的经济效益。

Retention of the afterbirth of the cow is the comm on disease to seriously affect the economy mileage.

奶牛的胎衣不下，是严重影响奶牛经济效益的常见病。

Circumstances before and during reforming of the cooling system and running effect after aftercooler was equipped were introduced.

介绍常压装置塔顶冷却系统改造前的状况、改造过程及增加后冷器的运行效果，通过技术改造达到扩大生产、提高产品回收率、稳定安全生产的目的，创造了可观的经济效益。

The economic and social benefits of reforming air steam forging hammer with the power head are analysed.

介绍了25kJ电液模锻锤动力头的形式、用途，分析了25kJ电液模锻锤动力头改造1t蒸空模锻锤所带来的经济效益。

However, being non-toxic and rich in nutrients the brewery sludge is a good medium for alga cultivation.

存在的问题之一是培养基的费用高，经济效益低[3][4]。

Polyethylene units are indispensable for alkene plants and their normalperformance is vital to regular operation of the overall plant.

中国石油总公司辽阳分公司低压聚乙烯装置的改造、调优工程，对于烯烃厂的生产运行、质量提升已及经济效益关系重大。

Of course, in the leasing of land at Stanford University and Palo Alto have gained considerable economic benefits.

当然，在出租土地方面斯坦福大学和帕洛·阿尔托市都获得了可观的经济效益。

There is no price tag on that yet, but it has clear economic significance for Amazonian agricultural production, electricity generation and industry that generates over US$1 trillion a year.

虽然我们不能给它标上价格，但水对亚马逊的农业生产、发电和工业部门的经济效益十分清楚，这三个部门每年的产值超过10亿美元。

In the research period,the accumulation of organic matter and amelioration of soil physical properties were not improved.

因此，在该区植被恢复重建的生态系统应是在短期内具有经济效益的经营生态系统。

Gypsum,ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research,to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.

以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。