variability among different health authorities不同卫生机构的不同标准There is considerable variability in all the test scores.所有这些考查成绩都有很大变化.There's a great deal of variability between individuals.人和人之间有很大的不同。Some catalogs prov...
Infectious bursal disease virus ( IBDV ) is an important pathogenic agent of chicken.传染性法氏囊 病毒是鸡的一种重要的病原.The distribution and histology of lymphoid tissue in the Fabricius'bursal stalk were studied.研究了番鸭法氏囊柄部淋巴组织的分布...
底物:酶作用的单分子或多个分子.Substrate 1 . The molecule or molecules upon which an enzyme acts.结果表明过物酶同功酶在枣树叶片中具有发育阶段性和器官的特异性.The results showed that peroxidase isoenzymes in chinese jujube had tissuse specialities and development di...