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The incidence of fluorosis is correlative with the content of Fluoride, which comes from mother-rock and is related to petrogenic element in soil.

F中造岩元素具显著正相关,主要来自于成母质。

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The endemic fluorosis is a kind of endemia widely distributed in Ningxia, and this is strongly related to the special natural geochemical environment of Ningxia.

要地氟病是宁夏广泛分布一种地方病,宁夏特生地球化学环境有密切关系。

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ethnic minority, ethnical, ethnically, ethnicity, ethnics, ethnine, ethno-, ethnoarchaeology, ethnobiology, ethnobotanical,

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3G, 401(K), a,

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Vox 观点

This CDC recommendation is solely based on an amount that balances the protection from tooth decay while limiting the risk of dental fluorosis.

CDC 这一建议完全基于在预防蛀牙和限制牙齿氟斑病风险之间取得剂量

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CNN 10 学生英语 2019年4月合

But too much fluoride, especially for children who's adult teeth are still forming can lead to a problem called dental fluorosis when white patches form on teeth.

过多氟化物,尤其对于儿童来说,成年人牙齿还在形成阶段,当牙齿上形成白色斑块时,就会导致一种叫做氟斑牙问题。

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ethnographer, ethnographic, ethnography, ethnohistorian, ethnohistoric, ethnohistorical, ethnohistorically, ethnohistory, ethnolinguistics, ethnologic,

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3G, 401(K), a,
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