，，，，，，，，，alpha，，omegaomega，omegaalphaomegasssomegasssalphaomegaomegaalphaalphaomegasssomegaalphaomegaomegaalphaomegaomegaomegaomegaomegaomegaomegaomegaalphaomegaomegaalphaalphaalphaomegaomegaomegaomegabetaalphaomegaalpha50%