查询词典 species

"Human activities, such as monocultural farming practices, use of broad-spectrum pesticide s, and introduction of exotic species, often result in the proliferation of pest species."

人类的活动，如：单一的耕作、广谱农药的使用和外来物种的引进都有可能造成有害生物物种的繁殖。

"Human activities, such as monocultural farming practices, use of Broad-spectrum pesticides, and introduction of exotic species, often result in the proliferation of pest species."

人类的活动，如：单一的耕作、广谱农药的使用和外来物种的引进都有可能造成有害生物物种的繁殖。

"Human activities, such as monocultural farm ing practices, use of broad-spectrum pesticides, and introduction of exotic species, often result in the proliferation of pest species."

人类的活动，如：单一的耕作、广谱农药的使用和外来物种的引进都有可能造成有害生物物种的繁殖。

"Human activities, such as monocultural farming practices, use of broad-spectrum pest icides, and introduction of exotic species, often result in the proliferation of pest species."

人类的活动，如：单一的耕作、广谱农药的使用和外来物种的引进都有可能造成有害生物物种的繁殖。

But innovations by competitor species, or the emergence of altogether new species, prevent any permanent hierarchy or monoculture from emerging.

但竞争物种的创新，或全新物种的出现阻止了任何永恒的层级或者单种的产生。

It is indicated that the 13 species of the genus Lycoris were divided into two groups, and five species of the genus including L.rosea ﹑ L.haywardii、L.straminea、L.sprengeri and L.radiata with monotype karyotypes (1-shaped) were clustered together respectively. The basic chromosome number was x=11. The others which have two-types karyotypes (I-shaped and V-shaped ) were clustered together respectively. They were L.houdyshe lii, L.albiflora, L.chinensis,L.longituba,L.anhuiensis,L.squmigera,L.caldwellii and L.aurea . The closest relationship was between L.rosea and L.haywardii.

结果表明：石蒜属13个种明显聚为两大类，即具有单型核型结构、染色体基数为x=11的5个物种：玫瑰石蒜 L.rosea 、红蓝石蒜 L.haywardii 、稻草石蒜 L.straminea 、换锦花 L.sprengeri 和石蒜 L.radiata 聚为一类；具有两型核型结构8个物种即江苏石蒜 L.houdyshelii 、乳白石蒜 L.albiflora 、中国石蒜 L.chinensis 、长筒石蒜 L.longituba 、安徽石蒜 L.anhuiensis 、夏水仙 L.squmigera 、短蕊石蒜 L.caldwellii 和忽地笑 L.aurea 聚为一类。

At the low reduction temperature, copper species on the catalyst's surface were mainly zero valence copper and monovalence copper; at high reduction temperature, the copper species was mainly zero valence copper.

还原温度为300℃时，催化剂表面Cu物种主要以零价Cu的形式存在。

About 30 species: principally in N and S temperate regions, also in montane areas of tropics; 14 species in China.

大约30种：主要在温带北部和南部地区，也在热带的山地的地区；在中国的14种(3 特有)。

Mold of 34 species were isolated from moldy books.Among them,3 species which were demonstrated to be the key mould causing book mold were identified morphologically and molecularly as Chaetomium globosum,Aspergillus terreus and Aspergillus fumigatus.

从霉变的书籍中分离纯化了34种霉菌，对其中的3种主要霉菌进行了形态学和分子生物学鉴定，分别鉴定为球毛壳菌种、土曲霉种、烟曲霉种。

The majority of them are produced by fermentation using microorganisms of different species identified as species belonging to Aspergillus, Monascus, Nocardia, Amycolatopsis, Mucor or Penicillium genus, and some are obtained by treating the fermentation products using the methods of chemical synthesis or they are the products of total chemical synthesis.

它们主要是用属于曲霉属，红曲霉属，诺卡菌属，Amycolatopsis，毛霉属或青霉属的不同物种的微生物通过发酵而生产的。有一些是用化学合成方法处理发酵产物而获得的或者有一些是全部化学合成的产物。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。