匹配情况可用符合指数 FOM
下行波的衰减规律符合指数衰减，但上升波的衰减并不符合这一规律。
Downward wave amplitude decay in negative exponential function, but the upward wave amplitude is not the case.
灰色模型是一种指数模型 ，它对于符合指数规律的观测数据序列具有较高的精确度。
Several non-dimensionalization changings of single-index data sequence and their characteristics are studied in this paper.
甲磺隆在土壤中的降解符合指数降解规律，即土壤中剩余甲磺隆浓度的对数与小麦生长时间呈线性负相关；
The degradation rule of metsulfuron-methyl accorded with decaying exponential, that meant there was inverse linear correlation between the logarithm of metsulfuron-methyl concentration and the time;
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