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				           		Pulse Width Modulation device chip is designed by the reverse design method.
						        										 	
						        					            	 脉宽调制器芯片采用逆向设计方法完成。
								    				            	 youdao 
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				           		The flow of current is controlled by phase shifted pulse width modulation.
						        										 	
						        					            	 变换器中的电流大小和方向由相移脉宽调制方式控制。
								    				            	 youdao 
- 
				           		The flow of current is controlled by phase shifted pulse width modulation.
						        										 	
						        					            	 变换器中的电流大小和方向由相移脉宽调制方式控制。
								    				            	 youdao