长期变化的英文

long period variation

long term change

long-period variation

long-term change

+更多解释...

secular change

secular variation

• 长期:    over a long period ...
• 变化:    change; variety; t ...
• 磁长期变化:    magnetic secular c ...

例句与用法

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1. Reveal long - term changes in water quality
   反映河溪水质的长期变化趋势。
2. To reveal long - term changes in water quality
   显示水质的长期变化趋势
3. The long - range change of drought and flood in the liao river basin
   辽河流域旱涝长期变化的若干特征
4. Analysis and prediction on the long - term trend of runoff in the jialing river
   嘉陵江径流长期变化分析及预报