1) Primiula forbessi
田埂报春
2) ridge of field
田埂
1.
The study is on community structure of spiders which is main predator in crop fields in North China,and distribution dynamics of dominant species in habitats of forest belt,crop field and ridge of field.
蜘蛛是华北农区的主要天敌种群之一,本文研究了农田蜘蛛种群结构及优势种在林带-田埂-农田环境的分布动态。
3) low ridge
低埂,稻田埂
4) Field-edge detection
田埂检测
5) Soft-ridged bench terrace
软埂梯田
1.
Soft-ridged bench terrace design in hilly loess region;
黄土丘陵区软埂梯田复式配置技术
6) terrace embankments
梯田埂坎
1.
Vertical sliding surface of slope was anatomized,and used in stability and regression analysis of terrace embankments,numerical model has given that little land was occupied by terrace embankments,it is possible that the best design and practice apply in terrace embankments.
通过对土坡直滑动面的剖析 ,将其应用于梯田田坎的稳定分析 ,并通过回归分析给出了梯田埂坎少占地的目标函数的数学模型 ,从而使得梯田埂坎优化设计及实践应用成为可能。
2.
Based on that, rooting patterns of plants on the terrace embankments are classified.
采用三维坐标挖掘法对宁夏南部山区梯田埂坎上较为常见的几种植物根系分布进行了调查,并对根系的伸展模式进行了分类。
补充资料:海仙报春(Primula poissonii),报春花科
甘世南摄
[图]
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条