英德
有道
百度
谷歌
图片
维基
百科
凹缘
[生物] emargination
- 叶互生，单叶，小形，倒卵形，全缘，顶端微凹，具透明腺点；
Foliaceous each other is unripe, unifoliate, small body, pour egg form, whole reason, top is small sunken, have transparent gland place; - 用这种方法研究了不同凹腔长深比、凹腔后缘倾角和不同燃料喷注方案对超声速燃烧火焰结构的影响。
Then the influence on flame structure of supersonic combustion of ratio of length and deep of cavity, obliquity of back edge of cavity and different schemes of fuel injection were studied. - 凹型林缘外死亡植株具有较宽的径阶和较大径级，平均死亡植株数也最多，而凸型林缘则最低。
The dead colonizing stems in transects next to concave boundaries had a wider range of and higher averages of base diameter than those of the transects adjacent to straight and convex boundaries.
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