This antigen is non-infectious, cheap and free from spurious reactions due to associated human proteins.
细胞分泌的抗原无感染性，价格低廉，不会因结合人血清蛋白而产生非特异性反应。
2
Spurious zero energy modes are present in the stress element, but it is proved that nonspurious zero energy mode is present in the global analysis of the whole structure.