OP-87651 *Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product. View Catalog Data Sheet (PDF) Data Sheet (PDF) Manuals UL standard / CSA standard conformity Specifications Model OP-87651 Cable end M12 L-shaped ...
圆(x+2)2+y2=5关于直线x﹣y+1=0对称的圆的方程为( ) A.(x﹣2)2+y2=5 B.x2+(y﹣2)2=5 C.(x﹣1)2+(y﹣1)2=5 D.(x+1)2+(y+1)2=5 【答案解析】 【试题ID=1817138】收起︽ D 【考点】圆的标准方程. 【分析】根据已知圆的圆心求出关于直线x﹣3y﹣5=0对称的圆的圆心,求出半径...
专利内容由知识产权出版社提供 专利名称:POWER PLANT THAT USES A MEMBRANE AND METHOD FOR OPERATING THE SAME 发明人:MEULENBERG, WILHELM, ALBERT,BAUMANN, STEFAN,BLUM, LUDGER,RIENSCHE, ERNST 申请号:DE2008001763 申请日:20081029 公开号:WO2009065374 A3 公开日:20090730 摘要:The invention relates to a ...