The disposal of sludge has become an important problem in the area of environmental science.
城市污水污泥的处理处置已成为目前世界上环境科学研究领域中的重要问题。
This class examines the role of science in the US environmental policymaking process.
本课程探讨科学在美国环境政策制定过程中的角色。
There is no environmental science without the close combination of theory and practice.
没有理论与实践的紧密结合，也就没有环境科学。
There is no environmental science without the close combination of theory and practice.
没有理论与实践的紧密结合，也就没有环境科学。
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