查询词典 niche

NFC is a niche in a niche really, and it is probably fair to say that it is difficult to add to the quality without a significant addition to the cost, and seems to be most popular in Japan.

天然浓缩果汁是这类传统产品中的佼佼者，在日本最流行。公平地说，这类产品的品质与成本投入成正比。

The new Stretching-Niche PSO algorithm could resolve the disadvantage of standard Niche PSO that the local best of value depends on the number of sub-swarms and easily has the problem of iteration and pretermission.

该算法解决了标准的NichePSO算法在处理多峰函数时，极值点的个数依赖于子群体个数及极值点容易出现重复、遗漏等问题。

It reported for the first time the change between niche breadth and niche overlap of the three kinds of parasite, which are Acanthocephala, Digenea and Capillaria in the digest tube of Monopterus albus , and the relation with the intensity of infection correlation.

摘 要：为探明寄生虫对黄鳝的危害，对黄鳝消化道内三大类寄生虫棘头虫门、复殖吸虫纲和毛细线虫属的生态位宽度和生态位重叠随季节的变化及其与寄生虫感染强度的关系进行了研究。

This weed population had a wider niche breadth, the second widest among 12 major weed populations in weed community, and had bigger niche overlap with Stellaria alsine, Alopecurus acquallis, Malachium aquaticum, Poa annua, Polygonum persicaria and Lapsana apogonoides. In rape, wheat or fallow, B.

在杂草群落中，草的生态位宽度居第2位，说明其有潜在的较强的适应环境的能力；草与雀舌草、看麦娘、牛繁缕、早熟禾、春蓼和稻搓菜等杂草种群的生态位重叠较大，与它们的生态要求比较接近。

There are large niche overlaps between the shrub and semi-shrub species and among the herbaceous plants of which the overlap between H. scoparium and A. ordosica and between Chloris virgata and Bassia dasyphylla were 0.7192 and 0.8622, respectively, and this indicates that they have greater ecological similarity thus possessing strong competitive capacities in community succession; there are smaller niche overlaps between A. ordosica and various herbaceous plants and thus they can stably co-existed.

灌木、半灌木种之间、草本植物与草本植物之间的生态位重迭值较大，其中花棒与油蒿、虎尾草与雾冰藜之间的生态位重迭值分别为0.7192和0.8622，这表明二者之间有较大的生态相似性，从而在演替过程中具有较强的竞争作用；而半灌木油蒿与各草本植物之间的生态位重迭值很小，它们能够实现稳定共存。

There are large niche overlaps between the shrub and semi-shrub species and among the herbaceous plants of which the overlap between H. scoparium and A. ordosica and between Chloris virgata and Bassia dasyphylla were 0.7192 and 0.8622, respectively, and this indicates that they have greater ecological similarity thus possessing strong competitive capacities in community succession; there are smaller niche overlaps between A. ordosica and various herbaceous plants and thus they can stably co-existed.

灌木、半灌木种之间、草本植物与草本植物之间的生态位重叠值较大，其中花棒与油蒿、虎尾草与雾冰藜之间的生态位重叠值分别为0.7192和0.8622，这表明二者之间有较大的生态相似性，从而在演替过程中具有较强的竞争作用；而半灌木油蒿与各草本植物之间的生态位重叠值很小，它们能够实现稳定共存。

Basing on the investigation on 5 plots of Broussonetia papyrifera population and main associated species naturally revegetabled in mine spoil Nanjing Mufu Mountains, the niche breath and niche overlap of the main species were studied.

中文摘要：以南京幕府山矿区废弃地自然恢复的植被优势种群为对象，对构树及其伴生树种的生态位宽度和生态位重叠进行了研究。

In recent years it has been exploited to be a famous scenic spot. To avoid vegetation degradation resulting from human activities and strengthen plant protection, Carpinus turczaninowii communities in great valley were selected as our research subject. The species diversity, interspecific association and correlation, niche breadth and niche overlap in these communities were studied using quantitative methods.

为了加强对该地区植被的保护，避免因人为干扰而导致的植被破坏和退化，本文以太行山南段的小叶鹅耳枥群落为研究对象，在分析了群落主要特征的基础上，应用数量生态学方法，分别从群落的物种多样性、优势种群的种间关系和生态位三个方面，客观定量地分析了植物群落的生态关系。

Niviventer niviventer had the highest index of the niche breadth (1.00)while Rattus nitidus, Soriculus hypsibius, Blarinella quadrticauda and Crocidura attenuata had the lowest index of the niche breadth ...

空间生态位宽度指数的季节变化表明，社鼠种群分布没有明显的季节差异，中华姬鼠和安氏白腹鼠每年可能有一个数量高峰期，高山姬鼠一年则可能有两个数量高峰。

In the four ecosystem types, species of Alternaria and Ulocladium had wider niche breadth and were of widely adaptive species, while species of Bipolaris, Cirrenaria, Curvularia, Doratomyces, Graphium, Myrothecium, Scolecobasidium, Scopulariopsis, Scytalidium and Stachybotrys had narrower niche breadth and were of narrowly adaptive species.

在上述四类生境中，链格孢属Alternaria和细基格孢属Ulocladium真菌具有较宽的生态位，为广适性物种；而平脐蠕孢属Bipolaris、卷旋孢属Cirrenaria、弯孢属Curvularia、矛束霉属Doratomyces、粘束孢属Graphium、漆斑霉属Myrothecium、齿梗孢属Scolecobasidium、帚霉属Scopulariopsis、节隔孢属Scytalidium和葡萄穂霉属Stachybotrys10个属真菌的生态位较窄，为狭适性物种。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。