Non - renewable resources are indispensable in social production and play fundamental role in economic development 因此,不可再生资源可持续利用的经济学分析具有重要的理论意义和实践意义。
Mineral resources are important material basis for human existence and development . and they are exhaustible 矿产资源是人类赖以生存和发展的重要物质基础，但它又是一种不可再生的资源。
Especially , the competition of the non - renewable and rare ta minerals is more essential . the oriental ta industry co . , ltd . , 尤其对不可再生性稀有资源钽原料的掌握与控制已成为钽行业竞争不可或缺的筹码。
Nonferrous metal mineral resources are limited and non - renewable resources , and the lifeblood of the nonferrous metal mining enterprises 摘要有色金属矿产资源是不可再生的有限资源，也是有色金属矿业企业的生存命脉。
Artificial trees are made from non - renewable resources incorporating toxic chemicals such as pvc , which is stabilized with lead , or polyethylene 人工树木是由不可再生的能源混合有毒的化学物质比如由铅或者聚乙烯组成的pvc制成的。
Loss of topsoil by erosion and a reduction in soil fertility by not replacing nutrients , turn a renewable resource into a non - renewable one 侵蚀造成的表土流失以及不补充养分造成的土壤肥力下降使一种可再生资源变成不可再生的资源。
Be in harmony with natural scenes and historic relics , scenic and historic interest areas are precious and unregenerative natural / culture wealth in china 风景名胜区融自然风光和文物古迹于一体，是我国宝贵的且不可再生的自然/文化财富。
There are many resource - based cities in china , of which the dominant economic is resources industry that is based on the non - reproducible resources 我国许多城市属于资源型城市,以不可再生资源为基础的资源型产业在城市经济中占主导地位。
Geologic vestiges formed in the long period of earth evolvement under the action of the internal and external force 摘要地质遗迹是指在地球演化的漫长地质历史时期，由内外动力的地质作用形成、发展并遗留下来的珍贵的不可再生的地质自然遗产。
The resource - style cities and the enterprise take on special development law for the restriction of no regeneration and exhaustion of the mineral resources 由于受到矿产资源的不可再生性和耗竭性的制约，资源型城市与其企业呈现出特殊的发展规律。
