，，，，alpha，omega，，，，，，，omega10%omegaomegaomegaomegaalphaalphaomegaomegaomegaomegaaomegaomegaalphaomegabomegaalphaalphaalphaomegaomegaalphaomegadomegaomegaaaomegaooomegaomegaalphaomegabetaalphaomegaomegaalphaomegaomegaomegaomegaalphaalphaomegaalphaomegaalphaalpha