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The results showed that the virus isolation and identification could generate considerably reliable results but the procedure was complicated and costed long time; microtomy fluorescent antibody detection was fast, but the specificity was low and needed to exclude the false positive from the results. Sandwich ELISA detection combined the merits of the former two methods, but it generated the false negative results when the samples were in bad preservation. Compared with the others, RT-PCR was fast, high sensitive and especially useful for detecting the CSFV directly from the samples. The specificity could be raised by using the nested-PCR to detect the CSFV from the simples, especially when the simples were in bad preservation.

结果显示，病毒分离鉴定法准确性较高，诊断比较容易，但存在试验步骤繁琐，所需时间长的缺点；荧光抗体检测法所需时间较短，但需要经验比较丰富人员来判定结果，且存在假阳性结果，特异性比较差；RT-PCR检测法具有快速、敏感等优点，特别是样品保存不理想时更有价值，利用套式PCR可以提高检测的特异性；夹心ELISA检测法具有快速、敏感等优点，但在样品保存不理想时会出现假阴性结果。

One end is the substantial use of the third person form, the present tense and the past tense; through frequent use of the third person form as the Subject, the writers of commercial editorials are at a position of an impartial third party describing the facts in an apparently neutral manner; the past tense and the present tense are also considerably employed to further help to enhance the objectivity of the writers" presentation, for they reflect the facts and events which did take place and do stay there now. The other is the moderate employment of modal operators and Modal Adjuncts. Those of low value group and median value group form the main body of all the modal operators; instead modal operators of high value group occur least frequently, which imply writers" strong attitude.

为得到更有普遍性更可信的结论，本文作者选取了30篇商业社评作为大样本进行统计处理、描述及分析；通过对语气成分及情态修饰语的分析，探讨了在商业社评中人际功能与非人际表现的平衡；一方面是大量使用第三人称、现在时态与过去时态，另一方面是应适度采用情态算子与情态修饰语。

Potassium level in previous nutrient solution for muskmelon varied considerably,which influenced plant growth and fruit quality formation.

目前已报道的甜瓜专用营养液配方中钾素水平差异较大，影响植株生长和果实品质形成。

Potassium level in previous nutrient solution for muskmelon varied considerably, which influenced plant growth and fruit quality formation.

目前己报道的甜瓜专用营养液配方中钾素水平差异较大，影响植株生长和果实品质形成。

Styles in tie patterns vary from decade to decade, as styles in neckwear have varied considerably since the17thcentury.

同样，领带的流行样式也是每十年变一次。

Humans have a considerably larger neocortex than other mammals, making it an ideal subject for the research of higher cognition.

人类拥有比其他哺乳类大得多的新皮质，使它成为研究高等认知的理想对象。

The data shows varied considerably: Almost one in two (46%) going to netball did so six or more times a year.

数据明显的表现的五花八门：几乎一半（46％）的人每年参加6次以上的无挡板篮球赛。

These initial symptoms can oerlap considerably with those of other cardiac and non-cardiac conditions, including neuroleptic malignant syndrome, which may itself be caused by antipsychotics.

这些始发症状可与其他的心脏和非心脏原因引起的疾病症状相叠加，包括可由抗精神病药物引起的抗精神病药恶性综合征。

The use of normal mapping as opposed to geometrical splitting allows to considerably increase the editing and object viewing speed. It is common knowledge that shaping an object doesn't take long – up to a few hours maximum.

尽管3D-Brush的主要功能是细节性设计，软件仍然包含了强大的雕刻工具，使得用户可以对模型形状进行大幅的调整。

The structure of deoxypentose nucleic acid is the same in all species (although the nitrogen base ratios alter considerably)in nucleoprotein, extracted or in cell, and in purified nucleate.

脱氧核糖核酸的结构在所有的物种中都是相同的（虽然他们的N碱基对的比例有很大的不同），包括在细胞中或者是提取的核蛋白，和纯化的核酸中。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。