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The second and third group, which mainly contained very low virulent and nonpathogenic isolates, displayed high variation in both RAPD patterns and ITS sequences, compared with the first group.

第二、第三组与第一组在RAPD带型和ITS/5.8S区域序列上差异大，且致病性极弱或不致病。

The virus isolates' pathogenicities varied from completely nonpathogenic to highly lethal and were positively correlated with tracheal virus titers.

不仅如此，其中8个病毒株通过接触能够有效感染新的野鸭并能够在其体内大量复制而不表现致病性。

Nevertheless, the eight virus isolates that were nonpathogenic in ducks replicated and transmitted efficiently to naive contacts, suggesting that highly pathogenic H5N1 viruses causing minimal signs of disease in ducks can propagate silently and efficiently among domestic and wild ducks in Asia and that they represent a serious threat to human and veterinary public health.

该现象提示高致病性流感毒株H5N1能够在野鸭或家禽体内迅速、隐匿复制而无明显表现，对人或家禽的健康安全构成严重威胁。您翻译的质量真不错，感谢您的参与我领第4单元。已完成。4单元译文。doc (27.5k)第10单元吧，可是我打不开，乱码，麻烦楼主发给我，邮箱已pm我领第七单元吧！我领第九单元吧！第七单元完成！

The main virus that infected oilseed rape and the variance of its related isolates were confirmed.

明确了油菜病毒病的主要毒源及相关分离物的分类归属。

The survival of oospores which were produced in the media was assessed after a winter. The methods promoting the oospore germination and the factors affecting the oospore germination were also investigated. Identfication of mating type, resistance to metalaxyl and isozyme genotype were performed on the F1 generations and parental isolates of oospores.

对马铃薯晚疫病菌在培养基上产生的卵孢子越冬后的存活能力、诱导卵孢子萌发的方法、影响卵孢子萌发的因素和卵孢子亲本及F_1代菌株的交配型、对甲霜灵抗性和同工酶基因型进行了初步测定和研究。

Silver nitrate and povidone-iodine exhibited activities against common pathogens of ophthalmia neonatorum isolates.Silver nitrate was more active than povidone-iodine.

硝酸银滴眼液和聚维酮碘滴眼液对新生儿眼炎常见致病菌都具抑菌和杀菌作用，但硝酸银作用更强。

Although outcrossing is possible, most isolates are self-fertile.

虽然异型杂交可能发生，大多数菌株自交能孕。

Taking isolate USA as outgroup, the phylogenetic tree was constructed by means of maximum parsimony analysis, and the genetic evolution among isolates was analyzed.

以USA为外类群利用最大简约法构建了大豆疫霉根腐病菌的系统发生树，并分析了菌株之间的遗传进化关系。

Grisea have been obtained in recent years as well.In our previous work, an RIL population consisting of 304 lines was constructed from the indica cross Zhong 156/Gumei 2. Two genes conferring complete resistance to blast isolate 92-183 (ZC15) were primarily mapped by using 148 lines of the population. In the present study, genotype of the 304 RILs were analyzed and QTL mapping for partial resistance to 2 isolates of leaf blast and 1 isolate of neck blast were conducted.

本实验室曾经应用中156／谷梅2号构建了由304个重组自交系(recombinant inbred lines，RIL)组成的重组自交系群体，应用其中的148个株系对抗稻瘟病基因进行了初步的定位，本研究则进一步对整个群体的304个RILs的基因型进行了分析，对控制叶瘟和穗瘟部分抗性的QTL进行了定位。

Heterotopias always presuppose a system of opening and closing that both isolates them and makes them penetrable.

然后他急促的高跟鞋脚步声会在走廊回荡，停在我门口，"逼，逼，逼"，又是微波爆米花

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。