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				           		Patient must have painful limited range of motion in at least on direction.
						        										 	
						        					            	 患者在一定指导下有疼痛限制性运动范围。
								    				            	 youdao 
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				           		When they fly out of this range all sense of direction is lost.
						        										 	
						        					            	 当他们飞出这个范围,他们会失去方向感而迷路。
								    				            	 youdao 
- 
				           		When they fly out of this range all sense of direction is lost.
						        										 	
						        					            	 当他们飞出这个范围,他们会失去方向感而迷路。
								    				            	 youdao