- 
				           		Because of tidal friction and aggrandizement of the earth's volume, the earth's rotation angular velocity slows down.
						        										 	
						        					            	 随着潮汐摩擦力和地球体积的增大,地球自转角速度变慢。
								    				            	 youdao 
- 
				           		Because of tidal friction and aggrandizement of the earth's volume, the earth's rotation angular velocity slows down.
						        										 	
						        					            	 随着潮汐摩擦力和地球体积的增大,地球自转角速度变慢。
								    				            	 youdao