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field outbreak meaning in Chinese

现场爆发

Examples

  1. The conditions under which field outbreaks take place are fairly defined .
    在野外情况下的发病已充分肯定。
  2. More importantly , all the strains isolated after 1998 belonged to genotype vfl and 8 out of 15 strains isolated after 1990s were in this group . the results showed that genotype vii viruses were the predominant nd viruses responsible for field outbreaks in china in recent years
    属于姐型的8个毒株在90年代以后分离株中占有最大的比例且全部是97年以后分离的, 98年以后分离的ndv毒株均属于vii型,说明vll型毒株是我国部分地区正在发生nd流行的优势基因型,与国内外报道的第四次大流行的流行特征一致。
  3. The results of biological tests have demonstrated that allantoic fluid of the first passage virus did n ' t produce macroscopic pathogenic role to chicken embryos and after passaged for four times , gross lesions were observed in chicken embryo . the virus showed typical coronavirus under electron - microscope and it could n ' t form plaque in cef cells and could hemagglutinates chicken red blood cells after treatment with 1 % trypsin . to surprise , the virus replicated in cef cells also showed hemagglutination activity to chicken red blood cells . in addition , the spf chickens which inoculated with the virus isolated from the chicken damaged tissue showed clinical sign and grow lesion , but it ' s gross lesion did n ' t resemble to those of field outbreaks
    生物学特性:鸡胚尿囊液经离心、磷钨酸负染后,电镜观察该病毒为典型的冠状病毒;该毒株的第一代尿囊液对鸡胚无肉眼可见的致病作用,当继代到第5代后,胚体严重病变;病毒在鸡胚中随着接种时间的延长,其效价增高, 96h可达到48h的2倍;该毒株可在cef上生长,但不能形成明显的蚀斑;经1胰酶处理后可凝集鸡红细胞;鸡胚的第四代尿囊液病毒回归动物体,病死鸡肾脏呈典型的花斑肾,腺胃则未见肉眼可见的病变。

Related Words

  1. outbreak
  2. polar outbreak
  3. localized outbreak
  4. outbreak investigasion
  5. periodic outbreak
  6. codename outbreak
  7. biohazard outbreak
  8. outbreak period
  9. secondary outbreak
  10. mass outbreak
  11. field orientation
  12. field oscillator
  13. field output
  14. field output stage
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