The investigation and analysis were carried out on the distribution characters of Bombax ceiba in Hainan Province.

对海南木棉的分布特点进行了调查和分析。

The investigation and analysis were carded out on the distribution and characters of Bombax ceiba in Hainan Province.

对海南木棉的分布特点进行了调查和分析。

The investigation and analysis were carded out on the distribution and characters of Bombax ceiba in Hainan Province, and a preliminary classification standard was formed.

对海南木棉的分布特点进行了调查和分析，并初步确立了分类标准。