常見例句雙語例句In this paper, influence factors of insect pest occurrence of urban green-land were studied.為有效控制城市綠地害蟲,對城市綠地蟲害發(fā)生的影響因素進行了研究。So, the research on the deployment of plant landscape of urban roadside green-land has both theoretical and practical guidance on how to design it.因此,對城市道路綠地植物景觀的研究具有著重要的理論意義和很強的實踐指導意義。Some main targets used to appraise urban green land eco-effects put forward, these targets concerned ecological field intensity, ecological field gradient and domain.提出用生態(tài)場強、場梯度和場幅作為城市綠地生態(tài)效應(yīng)的主要評價指標。 返回 urban green-land