常见例句Choo QL, et al. Isolation of a cDNA, clone derived from abood-borme non -A, nonB viral hepatitis genome, science 1989,244:359. 张贺秋;王办结;陈坤;等.;丙型肝炎病毒不同区抗原酶免试剂研究nonbed occupancy 无床被占用, 非占用床, 空床 返回 nonbedded