The nutrients are deep down in the active layer anyway, not high up near the surface, which is the part of the active layer most affected by run-off.
不管怎样，营养物质存在于活性层深处而不是在表层附近，活性层受径流影响最大的地方。
This is easily done by selecting the new hatch layer, then choosing "Multiply" in the layer blend mode drop down in the layers palette.
这通过选择新的图层就很容易实现，然后将图层混合模式改为“正片叠加”。
Ozone Layer was worn down by ODS recently, which resulted in the breaking of ozone layer′s balance and the decreasing of ozone layer′s thickness.
近年来，臭氧层因受到消耗臭氧层化学物质（简称ODS）的损耗，而造成的平衡破坏、浓度降低成为全球性的环保热点问题。
Say you're printing a plastic trinket - the item is built layer by layer, as powder is laid down within the building chamber.
假设你打印一个塑料饰品-该项目建成一层一层的，因为粉末建筑物室内的规定。
Say you're printing a plastic trinket - the item is built layer by layer, as powder is laid down within the building chamber.
假设你打印一个塑料饰品-该项目建成一层一层的，因为粉末建筑物室内的规定。
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