查询词典 niches

The bark beetle species on Pinus armandi and their niches were studied in the middle areas of Qinling Mountains. The results showed that 19 species of bark beetles infecting and damaging Pinus armandi in pine ecosystem of Qinling Mountains were found, but only 11 species of them could be competitive and coexistent one another.

通过对秦岭林区海拔1600-2200m的中山地带华山松小蠹虫种类和生态位的研究，结果表明：在秦岭林区入侵危害寄主华山松的小蠹虫有19种，其中能构成竞争和共存的小蠹虫主要有11种。

These are niches that will be as sought after five years from now as they are today.

这些都是龛将作为寻求五年后，从现在开始，因为他们的今天。

The niche breadths of same plants vary greatly among different communities and the competitive relations of the plant species in different communities vary depending on the combined actions of the niches of the species, stable landforms and soil conditions, and annual rainfall fluctuations.

同一种植物在不同群落中的生态位宽度变幅较大，不同群落内部植物种竞争关系的差异是由物种的生态位和由相对稳定的地貌、土壤条件以及随年际变动的降水条件共同作用的结果。

Based on field investigation and by using Levins and Pianka formula, the niches of seven bryophyte species in Hani Peatland of Changbai Mountains were studied.

采用Levins和Pianka，对哈泥泥炭地7种苔藓植物的生态位进行了研究。

Unlikely to the figures in the bases who wear Burgundian clothes, the persons in the niches wear the clothes of the period in which they lived.

第一层的两排代表了艺术家、学者和鲁汶过去的荣誉市民。

As tasks become more specialised and firms occupy ever-smaller market niches, job titles and business categories can sound comically obscure.

随着市场分工的专业化和市场导向的个性化，新涌现的一些职位名称和行业分类，听了后会让人摸不着头脑。

In his view differences in adaptation are insufficient to create niches commensurate in number and kind.

按照他的观点，适应的差异不足以在数量上和种类上形成同量的小生境。

Based on analyzing the problems,we propose an evolutionary algorithm by using niches technology and multi-parent-crossover technology to experiment on complex multimodal function optimization with samples.

在分析了简单遗传算法求解带约束的多峰值函数优化中存在的问题的基础上，提出了利用小生境技术和多父体杂交的演化算法，对复杂的多峰值函数优化问题进行了测试，证实该算法能够快速求出多峰函数的所有全局最优解，而且搜索效率高，达到了令人满意的效果。

One of the main assumptions is that species niches are conserved.

其中一个主要的假设是这些物种的生态位受到了保护。

Just as a general egg cell differentiates through epigenesis to become a legion of specialized cells, so in evolution animals and plants split up into varieties more dependent on narrower niches.

正像一个普通的卵细胞经过后来的渐变分化成众多不同的专门细胞，在进化中，动植物也分化成更多不同的种类，各自适应一个更窄的生态龛。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。