but only an approximation to a somewhat more correct equation taking account of spin,magnetic dipole,and relativistic effects;and that this corrected equation is itself only an imperfect approximation to an infinite set of quantum field-theoretical equations. 对,可以从两处来判断,一个是more correct 对应的corrected. 还有一个是 only an approximation 和后面itself only an imperfect approximation ,特别是那个itself.理解起来是a 是b的一个近似,而b 本身又是c的一个近似。 |