RBC, plasma and hair Mn levels have been measured in 38 children with Keshan disease from the Chuxiong district of Yunan province and were compared with that of 35 healthy children.
对取自云南楚雄地区的38例小儿克山病患者红细胞，血浆及头发的锰含量进行了测定，并与35例正常儿童进行对照。
The concentrate from a Yunan high sulfur iron ore has a sulfur content that exceeds that specified in the standard due to the pyrrhotite.
云南某高硫铁矿石因含磁黄铁矿而造成精矿含硫超标。
When I sat down to pen the preface for the first exhibition of Leaving Yunan, I could see, from my window, that it was snowing heavily.
落笔为今年的首展《出云南记》作序时，窗外正是大雪纷飞。
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