这个圆圈现在正从中心向外扩展增大。
The circle is now expanding from the center and growing outwards.
从中心向外依次为钾硅酸盐化带、石英绢云母化带、青磐岩化带。
The concentric alteration zones from the inner outward are successively the K-silicate zone, the quartz-sericite zone, and the propylitic zone.
摄影、以及我们对摄影的认识，是从中心向外扩展；经由灌输的方式，进入我们的意识。
Photography, and our understanding of it, has spread from a centre; it has, by infusion, penetrated our consciousness.
摄影、以及我们对摄影的认识，是从中心向外扩展；经由灌输的方式，进入我们的意识。
Photography, and our understanding of it, has spread from a centre; it has, by infusion, penetrated our consciousness.
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