查询词典 genus and species

It is difficult to identify related species of the genus Euglena and to separate different strains of the same species because the morphological characters are variable and limited.

因其形态特征有限并且易变，很难鉴定眼虫的相似种和同种内不同的株。

Rafinesque, in his "New Flora of North America," published in 1836, wrote (p. 6) as follows:"All species might have been varieties once, and many varieties are gradually becoming species by assuming constant and peculiar characters"; but farther on (p. 18) he adds,"except the original types or ancestors of the genus."

拉菲奈斯鸠在他1836年出版的《北美洲新植物志》第六页里写道："一切物种可能曾经一度都是变种，并且很多变种由于呈现固定的和特殊的性状而逐渐变为物种"；但是往下去到了18页他却写道："原始类型、即属的祖先则属例外。"

Some species of Nepeta and Schizonepeta genus have been used as Chinese traditional folk medicine to resolve the exterior, dissipate cold, rectify the blood and resolve toxin. Efficacious drugs were made of these species for treatment of common cold, headache, sore swollen throat, wind stroke clenched jaw, blood ejection, spontaneous external bleeding, uterine bleeding, postpartum blood dizziness, swollen welling abscess, sore and scrofula.

荆芥属和裂叶荆芥属中的某些植物在我国传统中药中作为发散风寒药，有发表祛风，理血解毒之功效，主治感冒发热，头痛，咽喉肿痛，中风口噤，吐血，衄血，便血；崩漏，产后血晕；痈肿，疮疥，瘰疬。

According to the latest system of Wang and Li (2005),there are 59 species and 24 varieties in 6 sections of 3 subgenera in the genus of Clematis in Yunnan,which is the richest province in terms of species numbers in China.

依照王文采和李良千最新系统，云南有铁线莲属植物59种24变种，分属于3亚属6组，是中国该属种类分布最多的省份。

The use of the same word for the name of a genus-group taxon and for the species-group name of one of its included species and/or subspecies.

以同样的字用于一个属群分类单元的名称，和所包含的种和/或亚种之一的种群名称。

Furthermore, the genetic distances in the HSL genes are much smaller between yak, cattle, and zebu than those between each of the three species and the buffalo. Therefore, it is reasonable to consider yak as an independent species of the genus Bos.

牦牛、普通牛和瘤牛3个物种间的遗传距离远小于它们各自与水牛这一物种的遗传距离，它们三者之间的亲缘关系也相对于它们各自与水牛间的亲缘关系都较近，故将牦牛、普通牛和瘤牛划分在同一个属——牛属更为合理。

Tridentis is a new species and has been described as S. papillolabra.. Furthermore, three species of Sinocrossocheilus were described respectively as S. labiata, S. nigrovittata and S. longibulla. Zoogeography and Diversity of Sinocrossocheilus genus were discussed also.

就我国特有属华缨鱼属的分类进行系统整理，描述了华缨鱼属4新种-宽唇华缨鱼、粗唇华缨鱼、黑带华缨鱼和长鳔华缨鱼，并在动物地理学和进化生态学方面初步研究了华缨鱼属鱼类。4。

Group I included the seeds of Gramineae, Cyperaceae, Polygonaceae and Amaranthaceae, and Group II included the seeds of Compositae, Euphorbiaceae, Brassicaceae and Umbelliferae.(2) Only FTIRs of the seeds of Brassicaceae were clustered together in the dendrogram, while those of the other families all appeared farraginous.(3) Among FTIRs of the 11 groups of the congeneric species, 8 groups were clustered with other genus species, and 6 out of 7 groups of conspecific seeds appeared farraginous in the dendrogram.

结果表明：（1）80种草本植物的种子可以分成两类，第1类由禾本科、莎草科、蓼科和苋科植物的种子组成；第2类由菊科、大戟科、十字花科和伞形科植物的种子组成；（2）聚类图上，只有十字花科植物的种子能较好地与其他科的相区别；（3）在11组同属不同种植物中，有8组植物与亲缘关系不同的其他属的植物混在一起；在7组同种不同亚种或品种植物中，仅有1组植物被聚合在一起。

The major results obtained are: PCR-RFLP method is suitable for molecular identification of Shihu; 205 compounds were isolated from 10 species of Dendrobium, including 21 new compounds, and 28 compounds isolated from genus Dendrobium for the first time. Each of the extracts and compounds were screened for anticoagulant and antitumour activities separately. The results indicated that the ethyl acetate extract from Dendrobium chrysanthun has significant anticoagulant function; the antitumour function of the 4 bibenzyl components from Dendrobium chrysotoxum is stronger than that of phenanthrene, of which the erianin has significant anti-angiogenic effect both in vivo and in vitro; components with moderate or stronger antitumour activities were found in the extracts of D. thyrsiflorum, D. chrysanthun and D. trigonopus; quality standard for 5 species of Dendrobium was drawn up use active or indicative components as control.

重要研究结果有：经方法学研究，认为PCR-RFLP法适于作为石斛属药材分子标记鉴定方法；对10种石斛进行化学成分分离鉴定，共分得205个化合物，其中新化合物21个，首次从石斛属分得的28个；对提取物和各单体化合物分别作抗凝血、抗肿瘤等活性筛选，结果说明束花石斛乙酸乙酯部位有显著的抗凝血作用，鼓槌石斛的4个联苄类成分抗肿瘤作用强于菲类，联苄类毛兰素在体内外有显著抗血管生成活性，球花石斛、束花石斛及翅梗石斛均筛到中等或较强抗癌活性的成分；选择有活性或指标性成分作对照品，对5种石斛草拟了质量标准。

Species in the genus Thinopyrum are important wild relatives for wheat improvement. They possess many desirable traits such as drought, cold and salt tolerance, long spikes and more florets, high protein concentration. It has also been found that some species are the source of resistance genes for rust and powdery mildew, and especially, the source of resistance to wheat streak mosaic virus and barley yellow dwarf virus .

偃麦草属植物是小麦遗传改良中的重要野生近缘种，蕴含抗寒、抗旱、耐盐碱及长穗多花、籽粒蛋白质含量高等优良性状，同时又是小麦锈病和白粉病的重要抗源，特别是在小麦条纹花叶病和大麦黄矮病等病毒病的抗病育种中发挥了重要作用。

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。