There was no obvious correlation between niche similarity and niche breadths .

生态位相似性比例与生态位宽度之间无明显的相关关系。

Excavations and trenches - slopes , planking and strutting , breadths of working spaces .

工作空间的宽度,斜坡,盖板和支承柱。

Do you know the a lot of famous business breadths in beijing ?

你知道北京著名的商业区吗？

In the plant vegetations are mainly communities , the niche breadths vary greatly and the similarity ratios among different plants are very low .

植物群落内生态位宽度悬殊，植物种之间的生态位相似比例很小。

Plots investigation based on evergreen broad leave forest in fengyangshan nature reserve , we used the method of quantitative analysis to measure the niche breadths , niche similarity and niche overlap of ten dominant tree species .

基于对凤阳山自然保护区常绿阔叶林的样地调查，采用定量分析的方法，测算了10种乔木层优势种群的生态位宽度、生态位相似性和生态位重叠。