平均粒径
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TEM images indicated average particles size does not change with the mixture ratio of styrene versus MMA and particle sizes distribution was narrow with the presence of MMA.
乳胶粒子的透射电镜照片显示：乳胶粒子的平均粒径不随单体用量比例的变化而改变，但乳胶粒子的粒径分布随着MMA单体的加入而变窄。
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