Methods The forest ecosystem service is evaluated by the method of material valuation, the ARCVIEW geographic information system technique, and the observation on the spot in the different regions.
方法应用物质量和价值量相结合的方法，借助ARCVIEW地理信息系统技术，根据不同林分在不同区域的实地观测值进行估算。
By making on-the-spot observation, the young scientist obtained first-hand information they needed in their research work.
这些青年科学家通过现场观察，获得了研究工作所需的第一手资料。
Through herding observation on the spot of the lucky nature reserve in the Inner Mongol picture, have studied the big bustards domain behavior in breeding period.
通过在内蒙古图牧吉自然保护区的实地观察，研究了大鸨在繁殖期的领域行为。
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