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

科学家正为寻找免疫抗生原而进行有系统研究工作。

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) 徽羽叶报春散孔型花粉显报春花属中有重要系统意义和进化意义。