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				           		利用数字控制技术对位置信号误差角进行了实验检测及校正。
						        					            	 It has made experiment detection and rectification with signal control technology for the position signal error.
								    										 
								    				            	 youdao 
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				           		利用数字控制技术对位置信号误差角进行了实验检测及校正。
						        					            	 It has made experiment detection and rectification with signal control technology for the position signal error.
								    										 
								    				            	 youdao