这是一个基础广泛的股票指数，组成30家公司和它的价格的加权。

It is a broad based stock index, comprised of 30 companies and it is price weighted.

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为更好地表征重烃，以广泛的数据为基础，开发了芳香度关联指数aci。

To have a good characterization of heavy hydrocarbons, the aromaticity correlation index has been developed on the basis of a wide range of data.

youdao

为更好地表征重烃，以广泛的数据为基础，开发了芳香度关联指数aci。

To have a good characterization of heavy hydrocarbons, the aromaticity correlation index has been developed on the basis of a wide range of data.

youdao