field range短语¹⁴⁴⁹⁷²⁺² 基本例句 视野范围,视场范围 In low field range, the change of current with time can be simulated by attenuation of power index, and the attenuation coefficient intends to decline with the increase of the applied electric field. 在弱场下，电流随时间的变化可用幂指数的衰减来模拟，而且衰减系数随场强的增加有减小的趋势。 cnki