查询词典 whereas

PCV-1 is nonpathogenic for pigs,whereas Porcine circovirus type 2(PCV-2) is considered as the major causative agent of Postweaning multisystemic wasting syndrome in domestic pigs.

PCV-1对猪无致病性，而PCV-2被认为是引起断奶仔猪多系统衰竭综合征的主要病原。

The molecular basis for the virulence of this virus is still poorly understood. We characterized two H5N1 subtype viruses, A/mallard/Huadong/Y/2003 is nonpathogenic to mallard whereas A/mallard/Huadong/S/2005 is highly pathogenic to mallard.

我们对从野鸭分离到的H5N1 亚型禽流感病毒的生物学特性进行鉴定，其中A/mallard/Huadong/Y/2003是对麻鸭无致病性病毒，而 A/mallard/Huadong/S/2005是对麻鸭高致病性病毒。

A/duck/Guangxi/22/2001 (DKGX/22) is nonpathogenic in mice, whereas A/duck/Guangxi/35/2001 (DKGX/35) is highly pathogenic.

我们用拮抗基因去产生一系列单一的综合基因，包括从DKGK/22中分离的一个及DKGX/35保留的7个基因片断，我们发现基因DKGK/22中的PA，NA，和NS某种程度能够消弱DKGX/35的致病性，但是DKGK/22病毒中的PB2能大大消弱DKGX/35病毒致病性，并且PB2的701位点天冬酰氨代替天冬氨酸在这种功能中起着主要作用。

Comparison of recurrent and nonrecurrent tumors showed that high grade tumors tended to be significantly associated with recurrent tumors, whereas low grade variants were more frequent in the nonrecurrent group; recurrent tumors invaded into deeper anatomic levels than nonrecurrent tumors.

复发性肿瘤与非复发者相较，高级别肿瘤与复发显著相关，而低级别肿瘤更易出现在非复发组中；复发性肿瘤浸润正常组织的深度大于非复发性肿瘤。

Of rifampin therapy and nonuse of streptomycin, whereas the rate of relapse was

治疗失败和复发与初次抗药性明显相关。

Dramatic enlargement of lymph nodes and other lymphoid tissue such as the adenoids and tonsils is often a normal response to a variety of relatively weak antigenic stimuli such as mild viral and bacterial infections or vaccinations in infants and children, whereas in adults these antigens will not elicit a generalized response.

在婴儿和儿童显著增大的淋巴结或其他的淋巴组织像扁桃体常常是对各种相对弱抗原刺激像轻度病毒和细菌感染或接种疫苗，然而在成人这些抗原将不会引起全是性反应。

WHEREAS:The use of where in place of that to introduce a noun clause, though widespread in informal usage, is objected to by some: I see where the tax rates are going up

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For example, a British paper would be unlikely to publish an article on 'The Continued Strength of Chinese Filial Piety'-- whereas an article entitled 'Chinese Nouveaux Riches Opt for Old People's Homes' has far more potential.

比如，一家英国报纸不可能刊登一篇关于"中国人孝心的持久力"的文章———而一篇题为"中国暴发户选择把父母送进养老院"则极有可能刊登。

Polymers. In thin polymer films, large nanoparticles can be used to nucleate dewetting, whereas

上加入少量纳米粒子可以消除"鲨鱼皮"效应－在聚合物的挤出过程中产生的不稳定性。

A.Packaging: Prokaryotes have a nucleoid region whereas ekukaryote have a true, membrane-bound nucleus.

包被：原核细胞只有类核区；而真核细胞具有由核膜包被的细胞核。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。