variation trend

• 变化趋势

variation trend的用法和样例：

例句

1. However, the trend of line width is dispersive.
   然而,线宽的变化趋势呈分散性。
2. C-isotope variation of planktonic foraminifera is affected mainly by marine bio-factors.
   浮游有孔虫的碳同位素空间变化趋势主要受海洋生物因素影响。