利用遥感和计算机技术，选用4个不同时相的陆地卫星影像对黄河三角洲河口地区从1976年到2 0 0 0年的土地覆盖变化进行了动态研究。
The Landsat images of 4 time phases were used to investigate the dynamic changes of land cover at the mouth of the Yellow River from 1976 to 2000.
现代长江口、黄河口水下三角洲地区的海底上发育有大量规模形态各异的不稳定性现象。
There are a great many different scale and shape unstable features developed on the subaqueous delta of the modern Changjiang River and Huanghe River.
应用推荐