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，还有环绕声音响线路系统。

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

(2) 徽羽叶报春的散孔型花粉显示其在报春花属中有重要的系统意义和进化意义。