目的分析上海宝山地区亚临床甲状腺功能减退的流行病学特点。

Objective To analyze the epidemiological features of subclinical hypothyroidism in the Shanghai suburb Baoshan region.

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松材线虫病是松树的一种毁灭性病害。本文就松村线虫病在舟山地区的发生、分布及除治等进行了论述。

Pine wilt disease, Bursaphelenchus xylophilus is a serious disease of pines in Zhoushan city Zhejiang province. It was dealt with occurrence. distribution and control of B. xylophilus.

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