f o o d c h e m i s t r y shi he xin qi kan ma
f o u n d r y shi he xin qi kan ma
g i s shi he xin qi kan ma
核心 g 6 2 3 . 6 shi he xin qi kan ma
g d c h shi he xin qi kan ma
g e n e shi he xin qi kan ma
g e n e t i c s shi he xin qi kan ma
g e n o m i c s shi he xin qi kan ma