It can be provide the scientific basis for the evaluation of artificial soil, the engineering use and the environment improvement. It makes the contribution for the sustainable development of human society.
因此十分有必要对人为土进行定义，以提高人为土的研究水平，为人为土的评价、工程利用、环境整治提供科学依据，为人类社会的可持续发展做出贡献。
参考来源 - 四川盆地成土速率及其调控·2,447,543篇论文数据，部分数据来源于NoteExpress
Support on EHS activities and environment improvement.
支持EHS活动和环境改善。
Set the example of 5s excellence in plant environment improvement.
在工厂环境改善方面设立卓越5s样板。
Ongoing work of the urban environment improvement, the county were identified as "provincial health city", "provincial garden city" and "municipal civilized city.
持续开展城市环境整治工作，县城分别被认定为“省级卫生城”、“省级园林化城市”和“市级文明城”。
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