forest fire danger class 森林火险等级
forest fire size class [林] [安全] 林火等级
forest t class 森林类别
forest land use class 森林机能分类
second class forest-survey 二类调查
ultralow class forest roads 超低等林区公路
forest t fire danger class 森林火险等级
Additionally, spatial association index was computed to characterize the spatial interactions between forest class and other target land use types of interest.
另外,计算景观类型间的空间关联指数,以刻画森林与其他土地利用类型的空间交互效应。
Offer to match your technical expertise with their experience in teaching to create a class or program covering forest issues.
主动将你的技术专长与对方的教学经验相联系,利用课堂或课程阐述森林问题。
Last Monday our class went on an organized trip to a forest to study the wildlife. We travelled by bus. It took us two and a half hours to get to the forest.
上星期一,我们班进行了一次有组织的旅游,到森林里去研究野生生物。我们坐公共汽车去的,到森林去花了我们两个半小时。
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