查询词典 strains

However, Halford noted that live, weakened virus strains have been used for years in childhood vaccines to protect against measles, mumps, rubella and polio.

然而，哈尔福德指出，减毒活病毒株已在使用多年的儿童疫苗，以防止麻疹，腮腺炎，德国麻疹和小儿麻痹症。

Few people anywhere mourn the departure of George Bush and the strains he placed on America's allies. But his team of hard-bitten officials who dealt with eastern Europe is still missed.

世界上很少有人为乔治布什的离职和他为美国盟国施加压力的随之消失而感伤，但是他团队里那些很好地处理了东欧关系，身经百战的官员们仍然为人们所怀念。

For the main lawn, edgers control grass growth of hardier strains like St.

草坪为主体，辊控制耐寒草株生长就像圣奥古斯丁，在保持安全通道草生长明显过剩。

The authors have separated and purified four strains that can b e used to decompose the cellulose and starch at a great rate from the zymotic wa ste,starch factory's sludge and putrid haulm.

从发酵的垃圾、淀粉厂污泥、腐烂桔杆等样品中，分离、纯化、诱变、筛选出分解纤维素、淀粉能力较强的 4种菌株，按不同比例混合制备出有机固体废物发酵剂。

The left ulna of adult female rats were subjected to applied loading at frequencies of 5 Hz, 10 Hz, 15 Hz for 10 min/d with a haversine, low-magnitude （ 1 mm peak to peak） waveform for a two weeks period, the peak strains at the Left ulnar midshaft is 2000με and 3000 με, the right ulna of each rat served as a paired internal control.

将60只大鼠随机分成4大组，正常组，5、10、15Hz组，各实验组分为2000斗8组和3000μ8组；加载振幅为0.1mm、半正弦波，10min／d，加载2周，右上肢作为对照组。

Hecuba in her turn took up the strains of woe.

接着，赫卡贝开始了她变声的哭嚎。

However, binding efficiency varies between flu strains, and that variation is partly determined by the receptor-binding site within the hemagglutinin protein.

然而，结合效率在不同毒株间存在差异，而且这种差异部分决定于血凝素蛋白中的受体结合位点。

Sing strains which could make high efficient utilization of lignin and hemicellulose and to promote production.

目的］为筛选出可高效利用木质素、半纤维素的草菇菌株，以促进草菇生产。

Methods The sensitivity of antibiotics and hemolysin of isolated 302 strains of V.parahaemolyticus were detected during two years,and the clinical data were analyzed statistically.

方法对两年中分离到的302株副溶血性弧菌进行溶血素和抗生素敏感性测定，并对患者的临床资料进行统计分析。

Results It is observed that the secretion of δ-hemolyrin is various in different S. aureus strains and different growth phases, the curve of δ-hemolysin secretion is synchronous with that of bacterial growth and can be divided into three phases.

结果 在检测的8株金黄色葡萄菌中，δ溶血素的分泌存在着明显的菌株间的差异；其分泌的量－时间曲线呈现"S"型，可分为分泌量微量增加、快速增加、平缓增加三个时期。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。