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幂级数运算
1、operation───n.Cao作；经营；[外科]手术；[数][计]运算
2、operation management───运营管理；经营管理；Cao作管理
3、strabismus operation───[医]斜视手术
4、series───n.系列，连续；[电]串联；级数；丛书
5、power series───[数]幂级数
6、commercial operation───[经] 商业经营
7、discontinued operation───[经] 停（中）止经营；停止经营
8、heart operation───心脏手术
9、differentiating power series───微分幂级数
1、The basic operation principle of the series active power filter for harmonic suppression of frequency converter is analyzed in this paper, and its control method and control circuit are studied.───文章分析了适用于变频器谐波抑制的串联型有源电力滤波器的基本工作原理，并对其控制方法和控制电路进行了研究。
2、time series of voidage and particle colliding force at different operation conditions is analyzed and researched by statistic method-. power spectrum and chaos theory in this papers.───本文采用不同的分析方法分析、研究了气固流化床中不同Cao作条件下的空隙率时间序列和颗粒碰撞压力时间序列。
3、ZP-PS series socket power surge protector is designed for communication, electronic equipment in the operation of over-voltage and lightning induction frequency.───ZP-PS系列插座式电源浪涌保护器是专门为通信、电子设备在Cao作过电压和雷电感应频繁的场合而设计的。