我无法推导出方程式（8），谁可以帮助我，请。非常感谢

angelweishan

IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 41, NO. 2, FEBRUARY 2006 433
Process and Temperature Compensation in a 7-MHz
CMOS Clock Oscillator
Krishnakumar Sundaresan, Student Member, IEEE, Phillip E. Allen, Life Fellow, IEEE, and
Farrokh Ayazi, Senior Member, IEEE

我无法推导出方程式（8），谁可以帮助我，请。非常感谢