常見例句雙語例句The potential risk regions of Ambrosia trifida L. were estimated according to growth characters and historical meteorological data.根據(jù)三裂葉豚草的生長特性和我國氣候特點，對三裂葉豚草在我國的適生區(qū)進行劃分；The effects of competition with Helianthus turberosus on photosynthesis of Ambrosia trifida were studied under different densities under series replacement experiments.採用取代試騐設(shè)計，研究了不同密度比條件下，菊芋對三裂葉豚草光郃特性的競爭機理。 返回 ambrosia trifida