您要查找的是不是：
- The virulence of four IBDV is different,isolates H 3,H 4 are more virulent than H 1,H 2 and they have the properties of making the Bursa of Faricius atrophy rapidly. 结果表明，各毒株毒力有一定差异，其中H3、H4株毒力高于H1、H2株，且有迅速致法氏囊萎缩的特性；
- The effects of the raw materials in the Ti(OC 4H 9) 4 MAPS system, including Ti(OC 4H 9) 4, MAPS, C 2H 5OH, H 2O, on the rule of the change of the polytitanosiloxane sol gel have been investigated. 研究了 Ti(OC4H9) 4-MAPS体系中 Ti(OC4H9) 4、MAPS、C2 H5 OH、H2 O 4个原料组分对聚钛硅氧烷溶胶 -凝胶转变规律的影响。
- Keywords Benzaldehyde glycol acetal H 4 SiW 12 O 40 -PAn Catalysis Acetalization; 苯甲醛乙二醇缩醛;硅钨酸;聚苯胺;催化;缩醛反应;
- Visiting time in this hospital is from 4 to 6. 这家医院的探望时间是从4点到6点。
- Let it be 4:25 tomorrow afternoon. 就定明天下午4点25分吧。
- A monthly is more economical than 4 weeklies. 一张月票比四张周票上算。
- He is remanded on his own recognizance of$4,000. 在保证付款4,000美元后他被还押(以后再出庭)。
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- We were routed out of our beds at 4 am. 清晨 4 点钟就把我们从床上叫起来了。
- The next postal delivery is at 4 o'clock. 下一次邮递时间是四点钟。
- He was said to have salted away $4 million. 据说他已积蓄了四百万美元。
- Subtract 3 from 7 and you have 4. 七减三得四。
- The champion is running in lane 4. 冠军跑在第四跑道上。
- We can't get Channel 4 on our television. 我们的电视机收看不到第4频道的节目。
- Our flight is boarding at gate number 4. 我们的航班在四号门登机。
- Unemployment declined to 4 percent last month. 上个月失业率降至百分之四。
- How do you pronounce p - h - l - e - g - m ? 你怎样读“p-h-l-e-g-m”这个单词?
- The going rate for the job is￡4 per hour. 这种工作的现行工资是每小时四英镑。
- Letter "O" stands for oxygen and "H" for hydrogen. 字母“O”代表氧，“H”代表氢。
- Codex Committee on Food H hygiene. 国际食品卫生规范委员会。
