生产力由劳动者、劳动对象和劳动资料三个基本要素所构成。

Productivity is made of three points, labourer, the subject of labour and the means of labor.

土地利用是人类以土地为劳动对象，获得物质产品和服务，以满足自身需要的经济活动过程。

Land Use is a economic active process that human get material products and service with land as subject of labor to satisfy themselves needs.

教师劳动的目的和劳动对象决定了其劳动的范围极其广泛，而且没有严格的时空界限。

It's the purposes and the objects of the teachers' work to decide the extensive range and no strict time space limitation.

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。

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.