ecological remainder
常见例句
- The transformation period between ecological remainder and deficit was in 1975, and the deficits had negative increment with acceleration in recent years.
生态盈余与生态赤字的拐点出现在1975年,且赤字呈负增长趋势,生态赤字的出现表明凉州区农业生态系统处于不可持续的状态。 返回 ecological remainder