夏季是混播草地中无芒雀麦种群衰退的关键时期。
Summer was the pivotal period of awnless brome when it declined in the mixture.
根际效应的改变是引起差巴嘎蒿种群衰退的又一重要因素。
Change of rhizosphere effect was another important factor of population decline.
污染物对蛙类生殖腺发育的影响会导致两栖动物种群的衰退。
The influence of pollutants on the frog gonad growth might lead to decline of amphibian animal population.
应用推荐