温度不变时,气体的体积(V与压强(P)的关系是: ()

A、Vi \/V_{2<\/sub> = P2<\/sub> \/P1<\/sub>
B、Vi \/V2<\/sub> =P1<\/sub>\/P2<\/sub>
C、V1<\/sub>=K· V2<\/sub>P1<\/sub>\/P1<\/sub>、2 <\/sub>
D、V1<\/sub> =K · V2<\/sub>P2<\/sub>\/P1<\/sub>
E、V1<\/sub>·\r\nV2<\/sub>=P1<\/sub> ·P2<\/sub>}