Edges effect of phytocoenosis was distinct and the mass flow and energy flux on the edge were bigger than those in center.
群落景观的边缘效应明显，群落边缘比中心有较大的物质流和能量流。
The further from the center of a wheel that a mass is located, the greater the effect that mass has on acceleration.
一份质量离车轮中心越远，那么该质量在加速的作用就越强。
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