科

The article reviewed the achievements of resources investigation on wild orchidaceae in the recent years,introduced research status of resources inverstigation on wild orchids,and analyzed the main problems existing in the wild orchidaceae resources investigation.

现综述近年来国内在兰科植物野生资源调查方面的研究成果，介绍了国内在野生兰科花卉资源调查方面的研究现状，分析了国内在野生兰科花卉资源调查方面存在的主要问题并提出了相关建议。

Based on the analyses of the obtained sequences and the sequences from other three representative species of Oscillatoriaceae, and two species of Microcystis , the evolutionary affiliation among the genera of Oscillatoriaceae was discussed.

并通过计算机联网从国际分子生物学数据弹库中获取颤藻科其它种的rDNA基因间隔区序列，通过比较分析，从分子水平对颤藻科Oscilatoriaceae属间的某些分类学问题进行了讨论，并根据序列中核苷酸差异值探讨了颤藻科属间界定的分子标准。

The families of pantropical distribution make up 78.95% of the total families.

种子植物科的分布区类型中以泛热带分布科最多，达15个，占总科数的78。

Pelobatidae is very importance in the phylogeny of anurans, but the phylogenetic relationships and taxology of this family (including subfamily, genus and subgenus )have yet produced long-time conflicting viewpoint among different researchers both domestic and abroad.

锄足蟾科在无尾两栖类的系统进化中处于极其重要的地位，长期来对该科各亚科、属、亚属的划分以及系统发育关系等问题，国内外学者尚存分歧意见。

Chromosome evolution: x= 11 occurred in most genera of Komarovieae through Selineae; other basic chromosome number originated multiple times independently in the subfamily Apioideae; For Pleurospermum and Pimpinella, the basic chromosome number of each coincide with their phylogenetic placement.

从性状演化图上看，整个芹亚科的染色体祖先状态可能为 x= 11或者 x= 6，而且亚科内的大多数类群均保持了 x= 11这一祖征；对于其它基数，一般在芹亚科内多次独立起源，构成各自的自征或者共有衍征；对于多系类群，如棱子芹属和茴芹属，染色体分析的结果很好的支持了他们各自的系统位置。

Brachytheciaceae is an important large family of Pleurocarpous mosses. The range of Brachytheciaceae always changed, and there have been different opinions on it all over the world.

青藓科是侧蒴藓类中一个重要的大科，青藓科的范围在世界上历来存在很多争议，有颇多变迁。

Of or belonging to the group of great apes of the family Pongidae,which includes the gorilla,chimpanzee,and orangutan.

猿科动物的猿科动物的，关于猿科动物类人猿，包括大猩猩，黑猩猩和猩猩的

"Any of the tailless, anthropoid primate s of two families: Hylobatidae (the lesser apes: gibbons and siamangs) and Pongidae (the great apes: chimpanzees, bonobos, orangutans, and gorillas)."

无尾、类人灵长类的动物，分有两大科：长臂猿科(较小的类人猿：长臂猿和合趾猿)和猩猩科(较大的类人猿：黑猩猩、小黑猩猩、猩猩和大猩猩)。

"Any of the tailless, anthropoid primates of two families: Hylobatidae (the lesser apes: gibbons and siamangs) and Pongidae (the great apes: chimpanzees, bonobos, orangutans, and gorillas)."

无尾、类人灵长类的动物，分有两大科：长臂猿科(较小的类人猿：长臂猿和合趾猿)和猩猩科(较大的类人猿：黑猩猩、小黑猩猩、猩猩和大猩猩)。

New recruit density of Pocilloporidae was higher in 1999 than in 2000, with an opposite pattern found in Poritidae.

鹿角与微孔珊瑚科幼生新添入量具有年间变异，鹿角珊瑚科在1999年新添入量密度显著高於2000年，而微孔珊瑚科幼生则有相反现象。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。