这些斑点主要由湖水中的硫酸镁结晶而成。
The spotsare made mainly of magnesium sulfate, which crystallizes in the summer.
当硼酸的浓度小于4%时，硼酸不与一水硫酸镁共结晶。
The boric acid did not crystallized with kieserite at same time when concentration of boric acid is lower than 4 %.
当硼酸的浓度小于4%时，硼酸不与一水硫酸镁共结晶。
The boric acid did not crystallized with kieserite at same time when concentration of boric acid is lower than 4 %.
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