The inner limitations are always there in university management, such as the variety and uncertainty of devotion and achievement, the mutual restriction of both social and economic benefit, etc.
大学经营始终存在着投入与产出的多元性和一定程度的不确定性、社会效益与经济效益的相互制约等经营管理的内在缺陷；
The bioconversion of lignocellulosic materials for organic acid had great meaning to both economic and social benefit, owning to its renewable character, abundance and low price.
木质纤维素是世界上储量最丰富、最廉价的可再生生物质资源，利用木质纤维素发酵生产有机酸具有重大的经济效益及社会效益。
The manufacture of the porcelain granules both USES the waste of the iron ore mine and the ore dressing plant, protects environment, reduces the cost and has huge economic benefit and social benefit.
该陶粒的生产，既利用了铁矿山及选矿厂的废弃物，保护了环境，又可降低成本，具有极大的经济效益和社会效益。
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