目的研究柳杉花粉症的免疫功能状况。

Objective To Study on the immune function of Cedar pollinosis.

目的：调查武汉城区柳杉花粉症的发病情况。

To investigate the incidence of cedar pollinosis in district of Wuhan.

苏斯曼的第一个拍摄对象是绳文杉——一种生长在日本屋久岛的柳杉。

Sussman's first subject was the Jomon Sugi, a Cryptomeria tree on Yakushima Island, Japan.