These procedures assume they can isolatefrom the rest of the world a closed system containing only a limited number of variables and a limited range of consequences.
这些程序假定人们能够处于一个与世隔绝的封闭系统之中,这个系统只包含有限数量的变量和有限范围的结果。
3
Genotyping of the PCR-amplified isolatefrom the confirmed case shows high homogeneity with other H5N1 isolates from poultry in Java, and no evidence of reassortment.