递归平均PID增量算法
recursive average PID increment airthmetic
短波水平极化定向天线测向
HF DF of horizontal polarization direction antennas
归一化平均香农能量
normalized average Shannon energy
归一化平均香农能量分布
normalized average Shannon energy
加权平均增长法
average development with index
空间平均平衡密度
spatial averaged equilibrium density
锰的平均化合价
the mean valence of manganese
年平均增长率
annual average rate of growth