simple ammonium salt 简单铵盐
In a simple "salt pan" the segregation is expressed by the zonation of saline minerals.
在一个简单的“盐盒”中,分离作用表现为盐类矿物的带状分布。
"We estimate in WHO that over thirty million lives can be saved in the next ten years by simple measures -- reducing the level of salt by fifteen to twenty percent, reducing the amount of tobacco, and increasing the number of people who are at risk of a heart attack and stroke to be on simple preventive treatment."
VOA: special.2011.05.11
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