“P22”可以造什么句，P22造句

Study on the Immune Responses Induced by DNA Vaccine with the P30-P22 of Toxoplasma Gondii in Mice;

Cloning and Expression of the P22 Gene Fragment of ZS Strains of Toxoplasma Gondii;

在沙门氏--P22噬菌体体系中，转导是稀少的，大约每?笆删?体颗粒才产生一个转导型。