At the upper timberline the trees begin to become twisted and deformed.
在上面的树带界线那树开始变成反常的和不成形的.
The A/ C value was 0.708 in timberline ecotone and was 1.024 in forest-pasture ecotone. In general, the A/ C value was consistent with the characteristics of frigid zone. 2.
林线交错区的A/C值为0.708,林牧交错区的A/C值为1.024,其A/C比总体趋势符合寒带的特征。
简答网 · 高考英语
简答网 · 初中英语作文
简答网 · 双语娱乐资讯