第一部分是对宇宙再电离时期的研究，这属于国家天文台重点项目21CMA的理论研究部分。

Part one of the thesis is a contribution to the theoretical studies of the 21CMA project, one of NAOC's key project which aims at probing the epoch of reionization.

youdao

第一部分是对宇宙再电离时期的研究，这属于国家天文台重点项目21CMA的理论研究部分。

Part one of the thesis is a contribution to the theoretical studies of the 21CMA project, one of NAOC's key project which aims at probing the epoch of reionization.

youdao