| 释义 |
Robinia pseudoacacia短语¹⁴⁴⁹⁷²⁺²
基本英英例句例句
n.刺槐
Noun:
large thorny tree of eastern and central United States having pinnately compound leaves and drooping racemes of white flowers; widely naturalized in many varieties in temperate regions用作名词Study on thinning toRobinia pseudoacaciaforest on the Loess Plateau.黄土高原刺槐林间伐改造研究。
Studies on the hard stem cutting propagation technique ofRobinia pseudoacaciaL.四倍体刺槐硬枝扦插技术研究。 The advances on the propagation technology and adaptability of Robinia pseudoacacia L. were given in this paper.
对刺槐的繁殖技术及适应性进行了综述。 cnki
The optimum mathematical model was established by applying quantification theory to forecast volume growing rate of robinia pseudoacacia plantation in Henan mountainous district.
应用数量化理论，对河南山区刺槐人工林材积生长率进行预测，建立了最佳数学模型。 cnki
The soil nutrient contents and soil enzyme activities of different soil layers at different seasons in pure and mixed stands of Robinia pseudoacacia and Fraxinus velutina were studied.
研究了刺槐、绒毛白蜡纯林及其混交林中不同土层在不同季节的土壤养分含量、土壤酶活性的变化。 dictall
Under same growth conditions, there would be relative higher volume and productivity in coppice forest than in seedling crop of Robinia pseudoacacia.
与实生林相比，在相同的生长条件下，萌生林具有较高的木材量和生产力。 cnki
If we hope to change the “ short- old tree” situation completely, we should radically improve the water and fertility condition of the plantation Robinia pseudoacacia forest.
要想彻底改变刺槐生长“小老树”的局面，必须从根本上改变人工刺槐林的水肥条件； cnki
It is suggested that changing light environment is the main factor for inducing leaflet movement of Robinia pseudoacacia, and the rhythmical movement does not attribute to the leaflet movement.
这说明变化的光环境是引起刺槐复叶运动的主要原因，而节律性运动不是刺槐复叶运动的诱导因素。 cnki
The present paper aims to report the author's analysis on the fractal characteristics of soil particle of Robinia pseudoacacia L. plantation forestland in loess plateau.
采用分形理论，研究黄土高原刺槐人工林地不同树龄和不同深度的土壤颗粒的分形特征。 cnki
The forest age is about30y, but the Robinia pseudoacacia seedlings have not grown to arbor layer.
这表明尽管造林时间已经有30年左右，但是人工林下的刺槐幼苗还没有生长成乔木层。 cnki
Robinia pseudoacacia L. forest is the best in the backbone forest belt.
基干林带中刺槐纯林的空间结构最好； cnki |