Scientists are conducting systematic research into antigens to combat immune disorders.

科学家正为寻找免疫的抗生原而进行有系统的研究工作。

The house has 7 security cameras, and is prewired for a bose surround sound system.

这房子有7个全系统的摄像机，还有声音响线路系统。

(2) The pantoporate pollen of P. merrilliana shows that the species has vital taxonomical and evolutionary significance in Primula.

(2) 徽羽叶报春的散粉显示其在报春属中有重要的系统意义和进化意义。