查询词典 subject breadth

By using Shannon-Wiener index of niche breadth and Pianka index of niche overlap, this paper studied the niche characteristics of main plant species at different succession stages of vegetation in desert areas of north Gulang County, Gansu Province.

利用Shannon—Wiener生态位宽度公式和Pianka生态位重叠公式，计测分析了甘肃省古浪县北部荒漠植被主要植物种在不同植被演替阶段的生态位宽度和生态位重叠。

Based on the importance value, the Shannon-Wienner and Simpson index of niche breadth, the Schoener's niche proportional simulation and the Levins' niche overlap of the main trees in Qiandaohu water conservation forests were calculated in the paper.

以群落样地作为资源状态，以树种的重要值作为树种对资源位计测依据，用Shannon-Wienner、Levins和Schoener的生态位计测公式，分析了千岛湖水源涵养林26个主要树种的生态位宽度、生态位相似性比例和生态重迭指数。

A space series substituting time series method was adapted and Levins niche breadth index and the Pianka Niche overlap index was applied to calculate the resumption of different age and population niche and niche overlap in spring-autumn grassland enclosed for different years at Zhaosu horse ranch.

采用空间序列代替时间序列的方法，运用Levins生态位宽度指数和Pianka生态位重叠指数，对不同围封恢复年限种群生态位及生态位重叠计算分析。

The method is suitable to narrow breadth cantilever perfusion bridge,meanwhile the bracket structure has definite stress as well as convenient loading and unloading,which has a certain of reference value for the construction of bridges with similar structure.

为解决独桩独柱墩悬灌梁桥0#块支架搭设问题，可在预埋牛腿上架设双悬臂梁的受力体系，该方法适用于窄幅悬臂灌注桥，整个支架结构受力明确，装拆方便，对类似结构桥梁的施工有一定的参考价值。

Except for the hair bulb breadth of primary hair follicles, other characteristics of Arbas Cashmere goats are higher than Liaoning Cashmere goats, but the secondary hair follicle is not. And the differentia is remarkable in many months.

初级毛囊除毛球宽外，其它各性状阿尔巴斯绒山羊均大于辽宁绒山羊，而次级毛囊各性状辽宁绒山羊都大于阿尔巴斯绒山羊，在大多数月份二者差异显著。

The niche breadth and niche overlap for dominant species of the arbors layer were calculated.

摘 要：以湘中丘陵区石栎群落为调查研究对象，分析了群落的特征，定量计测了乔木层主要树种的生态位宽度和重叠值。

Results The main structure of the left ventricle in canine was composed of the mitral complex、aortic valve、falsetendons and so on,among them the mitral complex was included in the mitral ring and valve,chordae tendinease and papillary muscles;the circle of mitral ring was 49.16±10.00mm,the average heights of inside and outside valves were 14.28±3.14mm,9.27±1.99mm,respectively,the breadth were 25.74±5.21mm、21.50±6.33mm;the average number of chordae tendineass was 16.72±2.76;the average number of left ventricular false tendon was 4.69±3.38:the circle of aortic valve ring was 34.55±8.00mm,the average heights of left、right and back aortic valves were 6.85±1.76mm、7.19±1.75mm and 7.52±1.79mm.

结果：犬心左心室主要结构有二尖瓣复合体、主动脉瓣、假腱索等，其中二尖瓣复合体由瓣环、瓣膜、腱索、乳头肌构成；二尖瓣瓣环周径为49.16±10.00mm，内侧瓣、外侧瓣的高度分别为14.28±3.24mm、9.27±1.99mm，其宽度分别为25.74±5.21mm、21.50±6.33mm；腱索总数平均为16.72±2.76条；假腱索总数平均为4.69±3.38条；主动脉瓣瓣环周径为34.55±8.00mm，左瓣高度、右瓣高度和后瓣高度分别为6.85±1.76mm、7.19±1.75mm和7.52±1.79mm。

And I said, I see a flying scroll, its length twenty cubits and its breadth ten cubits.

我说，我看见一飞行的书卷，长二十肘，宽十肘。

So also he made for the entrance of the temple doorposts of olive wood, out of a fourth of the breadth of the wall

又照样用橄榄木制造外殿入口的门框，有墙宽的四分之一。

The strategy is: to optimize the main ships, to strengthen standardization and series, to adjust the subsection market of tankers, to build up own brand;to strengthen building of bulk carriers, to expand the depth of product line through the strategy of brand extension;to hold the capacity of building containerships;in order to redeploy resource, to exit the subsection market of other ships, such as dredgers, buoy tenders, and so on;to expand the breadth of products line, to strengthen Research and Development of Liquid Nature Gas Ship and Liquid Petroleum Gas Ship.

策略为：优化主力船型，加强标准化和系列化，调整油船产品细分市场，树立自己的品牌；加强大型散货船的建造，采取品牌延伸策略，扩展产品线深度；保持集装箱船船型的建造能力；削减不良船型，退出工程船等其他类船舶的细分市场，以利于资源的重新配置；扩展产品线宽度，加强液化天然气船和液化石油气船的研发力度。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。