基期: base period变换: vary; alternate; commutation ...基期；评税基期: base period基期值: base-period value变动基期: shifting base period; shifting the base标准基期: reference base period高尔基期: golgi phase固定基期: fixed base period固定基期法: fixed base system基期产量: base period productivity基期存货: base inventory基期年度: basic year基期月份: base month计税基期: basis period课税基期: basis period tax扩大基期法: broadened base system扩张基期: broadened base period扩张基期法: broadened base system联系基期: linking base period评税基期: base period移动基期: shifting base period变换: vary; alternate; commutation; alternation; conversion; reforming; [数学] transformation 变换手法 vary one's tactics; change tactics; resort to different tactics; 变换位置 shift one's position; 变换参数 transformation parameter; 变换齿轮 change gear; 变换方程 transformation equation; 变换函数 transfer function; 变换开关 [自动化] alteration switch混凝土基期龄: age of concrete基期平均汇率: base period average exchange rate本期变数: current variable
