查询词典 dominant

The evaluated model of dominant predatory enemies to Aphis gossypii was constructed considering the number, temporal and spatial niche, predatory capacity of dominant predatory enemies at the same time, and based on model the control effect of Propylaea japonica was maximum, arriving at 19.82%.

综合分析了捕食性天敌优势种群的数量、与棉蚜发生在时间上同步性和空间上同域性以及捕食量大小，建立了捕食性天敌优势种群对棉蚜控制作用模型，以龟纹瓢虫控制作用指数最大，达19.82%。

The effect of transgenx Bt cotton on non-target insects The kinds of the dominant species of pests in transgenic cotton field had obvious change, in which the H. armigera was no longer the main pest and the piercing-sucking pests such as Aphis gossypii, Tetranychus urticae, Thrips tabaci etc. rose the main pests. The kinds of the dominant species of predatory natural enemies seemed to be no variation, which was still Propylaea japonica Thunberg. Because of the effect of transgenic Bt cotton on H. armigera laevae-the development delay, the weight reduction, which affected the qualities of parasitic enemies, leading to the reduction of the weight of cocoon and the weight of adult, and the reduction of H.

转Bt基因棉对节肢动物群落整体结构及时序变化的影响 2001保铃棉与冀抗668的相似系数最高(0.8246)，冀抗668、保铃棉与常规防治的相似系数依次0.6459、0.5829，保铃棉和冀抗668与常规不防治的相似系数为0.5669、0.4485.2002 年与冀杭668的相似系数最高(0 。6887)，保铃棉和冀抗668与常规防治相似系数为0.4739、 0.3828，保铃棉和冀抗668与常规不防治的相似系数为0.3124、0.3999，此结果表明，两转Bt 基因棉田节肢动物群落的整体结构一致，相似性较大，与常规防治相比，相似系数有所降低，表明常规功治棉田中人为控制因素对节肢动物有一定影响；转Bt基因棉对节肢动物群落有一定影响，但并不显著。

The important values of shrubberies dominant trees were very higher than that of the sub-dominant trees, which showed that the dominating trees had obvious role in keeping community\'s structure and ecological function.

灌木层片优势物种的重要值非常突出，远远大于群落亚优势物种，这表明在维持群落结构与生态功能方面优势种具有突出作用。

The paper systematizes the dominant firm theory and the regulation theory, on which we construct two models of dominant competition and regulation cut for the Chinese telecommunication industry.

本论文整体梳理了主垄断理论、管制理论，构建了针对中国电信运营业的主垄断竞争和管制模型，提出中国电信运营业的基本特点为主垄断竞争，这种主垄断竞争在一定条件下是稳定的。

According to the structure of educational value and the extent t o which education plays its role in th e human society,educational value can be di vided into dominant value and non -dominant value.

依据教育价值的层次性以及教育在整个人类社会中所发挥作用的程度，教育价值可分为教育主导价值和非主导价值。

On backhands, though, your non-dominant foot/leg fails on both accounts, and it drags behind as the dominant foot tries to take over.

而反手时，你的非主导脚/腿在这两方面都无法做好，而只好靠主导脚来弥补。

All subjects performed eight times of grand battement in Chinese dance and scored by professional dancer to define the esthetics score of this technique. Results: The dominant side exhibited shorter reaction time than non-dominant side in paraspinatus muscles and gluteus muscles, high level group showed longer muscular activity and shorter resting time than lower level group, which were observed by electromyography.

结果发现惯用侧竖脊肌、臀大肌反应时间大於非惯用侧；高表现群总肌电讯号作用时间及二分之一最大强度肌电作用期间皆显著大於低表现群；高表现群之无肌电讯号反应时间显著小於低表现群。

The result of this study shows that percentage of catching weight from the original dominant species of larger cyprinids, Sinibrama macrops, Carassius cuvieri six years ago, were lower than that prior to 2000 obviously and Culter erythropterus and Oreochromis sp. have replaced Carassius cuvieri to become the new dominant species in Feitsui Reservoir.

研究结果显示，六年前仍存在的中大型优势鱼种高身鲫及黑鲢的捕获重量百分已明显降低，而红鳍鮊与杂交吴郭鱼有取代高身鲫成为水库内优势鱼种的趋势。

The results of the study on the plant communities among the stages of regressive succession indicated that the dominants and components of the communities changed with the aggravation of degradation, and the plant communities changed from the grass family-dominant community to the forbs-dominant one.

： 通过对高寒矮嵩草草甸不同退化演替阶段植物群落的研究显示，随着退化程度的加重，群落的组成和优势种等发生了很大的变化，植物群落从以禾本科为主，向以杂类草为主的群落演替。

Luozha River is a first branch of Lancang River in its middle section. A less known deciduous monsoon forest was recently discovered on the dry-hot banks of Luozha River. The deciduous monsoon forest is 15-20 m tall with Lannea coromandelica Colona floribunda. Mallotus philippensis as the dominant tree species, and Microstegium ciliatum Eupatorium odoratum、Ageratum conyzoides are the dominant species in the shrub-herb layer.

对罗扎河下游鲜为人知的落叶季雨林进行了群落生态学研究，结果表明：罗扎河下游落叶季雨林群落高度在15~20m之间；群落乔木层以厚皮树、一担柴、粗糠柴、毛果扁担杆、灰毛浆果楝等树种为优势种；灌草层以刚莠竹盖度最大，其余如飞机草、藿香蓟、蹄盖蕨Athyrium sp。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。