height class volume table [林] 树高级立木材积表
tree height class structure 高度级结构
Field Tally by Height Class 树高级之每木调查
Tree density in the forest decreased with the increases of height class and diameter class, whereas species abundance did not increase.
栎类次生林乔木的密度随高度级、径级的增加而递减，但树种丰富度却不随树木的密度增加而增加。
Both the Numbers of tree species and tree density decreased as height class or diameter class increased, fitting both negative exponential and negative power equations.
树种数和树木的密度都随高度级、径级的增加而呈负指数或负幂函数递减。
But sushi, now deemed the height of sophistication, is becoming de rigueur for the capital's middle class.
而其中寿司被认为具有最精巧的制作工艺，因而成为了中产阶级的新时尚。
应用推荐