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1·Leo Suryadinata, an academic, estimates their number at almost 3m, or 1.5% of the total population, by extrapolation from incomplete data in the census of 2000.

一个名为Leo Suryadinata的学者根据2000年人口普查的数据不完全推算，在印尼约有三百万的华人，占印尼人口总数的1.5%。

2·The critical micellar aggregation Numbers obtained by extrapolation method are half of the CTAB's (cetyltrimethylammonium bromide) which is hydrophobic with the same carbon number.

利用外推法得到的该表面活性剂临界胶束聚集数约为亲油基同碳数的CTAB临界胶束聚集数的一半。