...M种类相同, 但是雨水径流使富里酸的来源复杂, 组分比例发生了较大变化, 雨天色氨酸(Peak S)的比例下降了10%, 紫外富里酸(Peak A)的比例上升7%。
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A peak 一峰 ; a峰
Reach a peak 到达最高点 ; 达到峰值
Or be a steep peak 也不止像险峰
the peak of a roof 屋的尖顶
peak of a curve 曲线峰
embark on a successful peak 走上成功的顶峰
hair combed into a peak 梳起尖儿的头发
A statement noted that while food prices have decreased from their peak last year, they remain high in historical terms.
VOA: special.2009.07.11
We had a similar, even higher price-to-earnings ratio of about forty-six at the peak in 2000 and it corrected way down.
000年时我们的市盈率甚至更高,达到了46,后来经过修正降低了
A much smaller peak, a much less rapid decline after the peak occurs.
一个较低的峰值,最大值出现后下降速度也较慢
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