查询词典 niche

CITIC-prudential life insurance yesterday lanched a childrens education policy -a niche market in the insurance sector.

中信保诚人寿保险公司，昨日发售了儿童教育保单---在保险业，它是一类特殊市场。

Logistic regression and Ecological-Niche Factor Analysis were employed to link the records of land snails with environmental factors and predict the occurrence probability of land snail species in I-Lan County.

再将陆贝出现纪录与环境因子结合，针对出现记录最多的前11种陆贝套用逻辑回归与生态栖位因子分析(Ecological-Niche Factors Analysis， ENFA)两种生态模式，预测宜兰地区这11种陆贝的出现机率。

This paper concerns the analyses of niche breadths of and overlaps bet-ween several plant species in 3 Kobresia communities in the Haibei Research Station using the formula described by Levins and Pianka.

本文利用Levins和Pianka公式，在多维生态因子梯度上测定了海北地区高寒草甸三种嵩草群落中若干植物种的生态位宽度和生态位重叠。

Quadrats were divided into eight types of communities by TWINSPAN, which can be treated as one-dimension resource states. The niche breadths and overlaps of main dominant species were measured using a series of indices proposed by Levins, Shannon-wiener and Petraitis.

运用TWINSPAN把样方分为8个群落类型，用Levins、Shannon-wiener生态位宽度公式和Petraitis生态位特定重叠指数公式测定群落中主要种群生态位宽度和生态位重叠，并分析各种群生态位的生态学意义。

In order to exploit efficiently the ornamental resource-Cerasus subhirtella var. ascendens, based on the importance value as one-dimension resource state, the niche characteristics of ten dominant tree populations in C. subhirtella var. ascendens community in Wuyi Mountain of Fujian Province were calculated and analyzed with Levins, Hurlbert, Pianka and Schoener formulas.

为了更好地开发利用野生早樱这一木本观花植物，以物种重要值为生态位计算资源状态指标，应用Levins公式、Hurtlbert公式、Pianka公式和Schoener公式对福建武夷山野生早樱群落乔木层10个优势种群进行生态位宽度、生态位重叠和生态位相似性比例的计算与分析。

The research is based on niche market, Long-tail and competitive advantage of six Taiwan industrial computer manufacturers.

本研究以利基产品、长尾理论与竞争优势作为探讨国内六家工业电脑厂商竞争优势的观点，透过个案厂商之资料搜集，从过去个案发展的脉络中归纳与探讨其产品过去、现在、以及未来的竞争优势。

In inche overlaps, the niche overlop of B. platyphylla and P. davidiana, B. platyphylla and A. mono, B. platyphylla and J. mandshurica were big. Otherwise, P. orientalis, Q. aliena, Ailanthus altissima, U. macrocarpa with other species were small.

3在生态位重叠指数中，白桦和山杨、色木槭和白桦、白蜡和胡桃楸、色木槭和山杨生态位重叠较大，而侧柏、槲栎、臭椿和大果榆与其他的多个主要树种的生态重叠指数较小。

A former niche player in the once-booming UK vehicle-making area of Coventry, Manganese Bronze is now the last car company in the city and enjoys the curious status of being the biggest London-listed carmaker by volume.

锰铜控股曾是英国繁荣一时的汽车制造地区考文垂的一家利基公司，而今它是该市仅存的一家汽车公司，在伦敦上市的汽车制造商中享有产量居首的奇特地位。

The spatial niche breadth of mango anthracnose was found to have a higher index, indicating a full use of spatial resource by the mango anthracnose.

结果表明芒果炭疽病的空间生态位宽度指数比较大，对空间资源利用较充分。

The average of temporal niche breadth of mango anthracnose was 0.1177 according to disease index of leaf, while 0.2639 according to disease index of fruit.

时间生态位宽度指数分别为0.1177和0.2639，说明芒果炭疽病在时间维上的利用程度小，其发生和发展具有条件性；空间生态位宽度指数为0.7047和0.9040，病菌能够充分利用各空间资源；营养生态宽度指数为0.6662和0.5796，说明病菌可以侵染各品种，但品种间的抗病性有较明显差异，台农1号抗病性较强，红芒6号、凯特和白玉较易感病。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。