One of them refers to the rotation about vertical axes of crustal blocks in continental areas of diffuse deformation.
第一个是扩散变形的大陆地区其地壳块体绕垂直轴的旋转的问题。
Therefore, the primary pollution control objective must be point source pollution and diffuse source of domestic wastewater in rural areas.
因此水污染控制必须以点源污染和农村生活面源污染为双重控制目标。
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