简述了遥感技术在我国土地覆盖、森林与草场、海洋调查与灾害监测方面的应用情况以及所取得的成果。
This paper summarizes the activities and achievements of remote sensing application to investigation of land use, forest, pasture land and oceans and monitoring of disasters in China.
采用样地调查法，对盐池县1991年以来不同时期的老封育区、新封育区和对照区进行半干旱沙地草场的植被特征及其生物量比较研究。
The vegetation features and biomass of sandy rangeland in semi-arid area of Yanchi County, Ningxia were studied by means of plot investigation methods since 1991.
本文通过野外植被、土壤和地表蚀积状况调查与室内分析测试相结合的方法，对盐池沙地退化草场植被恢复的效果进行了调查。
In this paper, by investigating soil, field vegetation, and surface wind erosion status, combining indoor analysis, the effect of vegetation recovery on sandy degraded grassland in Yanchi is studied.
本文在对奈曼旗草场沙化情况调查的基础上，对该旗治理沙化、恢复草场植被应采取的主要对策进行了探讨。
Based on the results of a Surrey on grassland desertification in Naimen Banner, Inner Mongolia, some countermeasures were proposed and discussed in this paper.
笔者调查了松花江北岸的草场，旨在对其中的优势牧草—河沙苔草进行研究，为有关单位利用天然草场?。
The author made a detail investigation and researches on Carex reddei K(?)k. , and think it is a good natural herbage.
笔者调查了松花江北岸的草场，旨在对其中的优势牧草—河沙苔草进行研究，为有关单位利用天然草场?。
The author made a detail investigation and researches on Carex reddei K(?)k. , and think it is a good natural herbage.
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