本文评述了宇宙中的不可视物质问题。
The problem of invisible matter in the universe is reviewed.
宇宙中的可视物质与不可视物质具有相当不同的密度分布。
The density distributions , of visible matter and invisible matter in the universe are quite different from each other.
在第三节中我们指明，可视物质和不可视物质的密度分布是十分不同的。
It is made clear in the third section that the density distributions of visible matter and invisible matter are quite different from each other.
在第三节中我们指明，可视物质和不可视物质的密度分布是十分不同的。
It is made clear in the third section that the density distributions of visible matter and invisible matter are quite different from each other.
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