有系统的

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研究。

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

房子有7个全摄像机，还有环绕声音响线路。

(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示其在报春花属中有重要意义和进化意义。