The results showed that phosphogypsum accelerates the salt moving down and mixed phosphogypsum had a very significant difference (P<0.01)compared to the control;
实验结果表明施用磷石膏可提高滨海盐土的脱盐速率,以混施效果最好。 与对照相比达到了极显著差异水平(P<0.01);
"One of our biggest questions is why did they dig tunnels of this magnitude," she says. "it had to be for a very significant reason."
她说:“让我们怀疑的是,他们为什么要开凿如此庞大的坑道,这对他们来说应该很重要。”
Is very simple but had a significant purpose.
拼音虽说极其简单,却意义深远。
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