fore-and aft造句

例句与造句

1. There exist little change both between species composition and quantity for 12 years fore - and aft
   无论从种类组成，还是数量上看， 12年前后变化不大。
2. The t - test result shows that the species diversity index , evenness index and consume biomass are no significant differences between 12 years fore - and aft
   T检验结果表明，多样性指数、均匀性指数的消费生物量， 12年前后的差异不显著( p 0 。 01 ) 。
3. It's difficult to find fore-and aft in a sentence. 用fore-and aft造句挺难的