carrier specificity

例句：

1. 1.The study focused on the carrier specificity of the virus in different tissues.
   该研究专注于病毒在不同组织中的载体特异性。
2. 2.The researcher found that the carrier specificity of the virus could be influenced by environmental factors.
   研究者发现病毒的载体特异性可能受到环境因素的影响。
3. 3.The results of the experiment showed that the carrier specificity of the virus was affected by the type of host cells.
   实验结果表明，病毒的载体特异性受宿主细胞类型的影响。