旋转阶段超高值:hx=b1+(B+b)x B 2 2x=b产-(b;+bx)x h h 1G CX G CX X B旋转阶段超高值： c x J J J x h = b i + (B + b )i cx J J x i B h b i 2 ' = + cx J J j x x h b i (b b )i " = − + B iJ b bJ bx iG iG ix ih bJ hcx hcx hcx"