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Pollen grains of three species of Cupressaceae and five species of Populus were examined in detail by use of a digital photographic technique and MATLAB software. For each pollen species, 50 measurements were taken of maximum, minimum and mean values of area, eccentricity, pole-length and equator-length.

利用数字照相技术和MATLAB软件测量了5种杨树、3种柏树各50粒花粉的面积、扁圆率、极轴长度、赤道轴长度，计算了面积标准差和极轴长度/赤道轴长度。

Of the free tick, Hyalomma asiaticum asiaticum was the dominant species in the southern part while Hyalomma asiaticum kozlovi was the dominant species in the eastern part.Both of them accounted for about 66.9% and about 25% was overlapped. Among the parasitic ticks, Rhipicephalus turanicus was the dominant species and its proportion was higher than that in the northwest.The proportion of Rhipicephalus sanguineus reached about 10%,which was identical to Dermacentor niveus .

游离蜱中亚洲璃眼蜱指名亚种在南部地区占主要地位，为72.6%，而在东部地区以亚东璃眼蜱为主，为66.9%，存在25%左右的交叉，寄生蜱中以图兰扇头蜱为主，并较西北部的比例偏高，血红扇头蜱的比例达10%左右，与银盾革蜱基本一致，较西北部高出20左右。

There are 69 species turf weeds in worse management lawn community, 38 species in general and 37 species in better. In worse management lawn community Viola prionantha and Digitaria ischaemum are dominant weeds.

管理水平较差的草坪群落中有杂草69种；管理水平一般的草坪群落中有杂草38种；管理水平较好的草坪群落中有杂草37种。

About 70 species: E Asia, Malaysia, Australia, and Pacific islands with a significant minor center of diversity in Hawaii where many species are dioecious; 49 species (43 endemic) in China.

大约70种：亚洲东部，马来西亚，澳大利亚和太平洋群岛，在夏威夷具一个显著的较小的变异中心那里多数的种为雌雄异株；中国有49种(43特有种)。

The types, attributes, generation mechanism and enzyme activity of eliminative system of active oxygen species in plant are presented in this paper. In addition, the possible function of active oxygen species that may contribute to disease resistance and the difference of active oxygen species between compatible reaction and incompatible reaction in plant- pathogen interaction are discussed. And the paper commented on the relationships among the aspects talked above.

本文介绍了植物与病原物相互作用过程中活性氧的类型、性质以及活性氧的产生机制和清除系统酶活性；重点讨论在植物与病原体相互关系中活性氧的可能作用，以及植物－病原物亲和性互作与非亲和性互作之间在这方面的差异并对以上几个方面之间的关系进行了评述。

The documentation of each new species includes detailed descriptions in Latin, literatures, habitats and illustrations. The most well-known species is Epilobium nankotaizanense Yamamoto which is the rare and valuable species listed by Culture Heritage Preservation Act in Taiwan.

每一新种均有详尽之拉丁文描述、文献、产地及插图，其中最有名的为列入文化资产保存法所指定的台湾珍贵稀有植物『南湖大山柳叶菜』。

There are 19 species of epiphyllous liverworts belonging to eight genera of three families in Maoershan Nature Reserve, including 16 species new to the area investigated, and 15 species belonging to the typical epiphyllous liverworts.

通过野外考察和文献考证，发现猫儿山现有叶附生苔类植物3科8属19种，其中16种为猫儿山首次发现，15种属于典型的叶附生苔类植物。

The relationship between weed invasion and intensity was analysed on sown pasture mixed by whiteclover and perennial ryegrass,and the preliminary results were that 1the number of invasive weeds ismainly dependent on grazing intensity;2the trend of species diversity was successively increase-decrease-increase when the grazing intensity is increase;3 principal invasion weed species are Lysimachiahemsleyana, Eragrostis nigra, etc,8 species;4the sown pasture in question is pioneer stage of the recoverysucce...

本文分析了白三叶草十多年生黑麦草混播人工草地上杂草入侵与放牧强度之间的关系，得出如下初步结论：1）杂草入侵的种数主要决定于放牧强度；2）α物种多样性随放牧加重而有增－减－增的趋势；3）入侵的主要杂草种为点腺过路黄等8个种；4）所论人工草地都处在恢复演替的先锋阶段，因而草地退化的进程还是能予以遏制的。

The glutamate oxaloacetate transaminase isozyme of thirty-three accessions of cultivated and wild buckwheat belonging to eight species of genus Fagopyrum including seven species of the big-achene group and one species of the small-achene group were studied by means of polyacrylamide gel eletrophoresis.

用聚丙烯酰胺凝胶电泳技术时荞麦属8个种（含大粒组7个种和小粒组1个种）33份荞麦资源的谷草转氨酶同工酶进行了研究。

Based on the obtained crab species f rom the investigation of shrimp and c rab species in May,August and November of 1998and Febru ary of 1999,as well as the ones reported in the documents,this paper made a fully research on the geograph ical distribution and faunal characteristic of crab species in the East China Sea for the purpose of getting a full v iew.

根据1998年5、8、11月和1999年2月东海区虾蟹类资源调查所获蟹类及以往有关文献曾报道过在东海有分布的蟹类种类，对东海蟹类的地理分布和区系特点作了较详细的分析研究，以描述东海蟹类的全貌。

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。