大家都搜：
生产性材料
1、productive time───生产时间，运算时间；运算时间；[经管]生产时间
2、productive uses───有效使用；生产性使用
3、productive efficiency───生产效率；生产效能
4、material───n.材料；用具；（有指明特征的）人才；素材；曲目；布料；adj.物质的；身体需要的；和推理内容有关的；重要的；（证据或事实）决定性的；客观存在的；物欲的；n.(Material)（意、美）妈特力娅丽（人名）
5、material arts───物质性艺术
6、productive───adj.能生产的；生产的，生产性的；多产的；富有成效的
7、instructional material───教材
8、reading material───阅读材料; 读物；阅读材料；[图情]读物
9、productive activity───[经] 生产活动
1、Purchasing management of imported productive material;───进口件的采购管理；
2、As a kind of productive material, every type of engineering machine has no monopoly market structure, and the approximator and replacer are emerging in endlessly.───工程机械作为一种生产资料，各个机种均不具有垄断性的市场结构，近似品、替代品层出不穷。
3、Being the uppermost productive material and the most direct object for farmers, cultivated land is one of the basic factors consisting of the comprehensive ability of crop production.───耕地作为农业最主要的生产资料和农民最直接的劳动对象，是构成粮食综合生产能力的最基本，也是最重要的要素之一。
4、Unemployment is a complex social and economic issue, and is also a kind of representation of the deviation between the labor force and the productive material.───失业是一个复杂的社会经济 问题，是劳动力与生产资料相脱离的一种表征。
1、Unemployment is a complex social and economic issue, and is also a kind of representation of the deviation between the labor force and the productive material.
2、Being the uppermost productive material and the most direct object for farmers, cultivated land is one of the basic factors consisting of the comprehensive ability of crop production.
3、Conclusion:When three-dimensionally plants, we should select 70% relative illumination intensity to get the best and most productive material and seeds.
4、As a kind of productive material, every type of engineering machine has no monopoly market structure, and the approximator and replacer are emerging in endlessly.
5、This conception is a common form for natural grassland, and also is a kind of renewable resources and productive material of animal husbandry.