利用样点全采集法在湖南乌云界自然保护区共采集到鱼类标本238条，它们隶属于4目11科32种。
Based on total collection method, 238 fishes were sampled at Wuyunjie Nature Preserve of Hunan Province. They belong to 4 orders 11 families 32 species.
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.
和周四报导的事件一样，也是发生在距离越南海岸200海里以内的海域。根据国际法的规定，越南将这一海域视为自己专有的经济区。
Like the incident reported Thursday, it occurred within 200 nautical miles of Vietnam's coast, which, under international law, Vietnam regards as its own exclusive economic zone.
1999年冬、夏季节，采用样方调查法，对长青自然保护区大熊猫栖息地选择进行了监测。
1999 year winter, the summer season, USES the quadrat survey procedure, has carried on the monitor to the ever green nature protection area panda habitat choice.
1999年冬、夏季节，采用样方调查法，对长青自然保护区大熊猫栖息地选择进行了监测。
1999 year winter, the summer season, USES the quadrat survey procedure, has carried on the monitor to the ever green nature protection area panda habitat choice.
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