者之首 meaning in Chinese

unraveller head

5 ) based on the d assessment results for xiaoshan district , deqin county , and pinghu city in zhejiang province , it can be easily found that the increase of d in xiaoshan district was the highest , then deqin county , pinghu city . the status of natural resources subsystem in deqin county , an ecological agriculture county , was better than those in xiaoshan dist
其中，德清县作为生态农业县，其自然资源子系统发展状况较好，近年来生态环境子系统也得到了一定的改善;萧山区的社会经济子系统、农村社会子系统近年来得到了快速发展，处于三者之首