The water above the continental shelf is moved by the tides and by estuarine currents.潮流和河口流使大陆架上的海水流动.An evaluating index system is established for degenerated estuarine ecosystem restoration.摘要建立了退化河口生态系统恢复评价指标体系.Coast...
年代较近的针叶树林场还比不上年代久远的林场。The more recent conifer plantations cannot yet compare with the old woodlands.他们除去了林场中多余的树木,以利来日森林长得更茂密.They thinned out a stand to create a lush forest tomorrow.在这种形势下, 国有 林场该怎么办?Below this kind of...