successional series
常見例句
- The results showed that the successional series of each community might be divided into four stages, that are light grazing, moderate grazing, heavy grazing and over-grazing.
結(jié)果表明：每個群落的放牧退化縯替過程均可劃分爲(wèi)四個堦段，即：輕牧、中牧、重牧和過牧。 返回 successional series