对于摇板造波机，系统采用了交流伺服直联线性模组的传动方式。
As to the paddle wave maker, the system USES Linear module and AC servo to drive.
首次使用「模组7500」前，请先用电源线将机组接上110或220伏交流电（110/220VAC）或12伏直流电（12VDC）的电源插座，再将电池组充电约四小时。
Before using the Model 7500 for the first time, charge the battery pack for about four hours by plugging the unit into a 110/220VAC or 12VDC outlet using the power cord.
中文摘要本文旨在分析及制作多模组并联之直流-交流转换器。
This thesis is concerned with the analysis and implementation of a paralleled multi-module dc-to-ac converter.
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