（ ）由于比例调节是依靠输入偏差来进行调节的，因此比例调节系统中必定存在静<mc:AlternateContent><mc:ChoiceRequires＝"wps"><wp:anchordistT＝"0"distB＝"0"distL＝"114300"distR＝"114300"simplePos＝"0"relativeHeight＝"251708416"behindDoc＝"0"locked＝"0"layoutInCell＝"1"allowOverlap＝"1"><wp:simplePosx＝"0"y＝"0"/><wp:positionHrelativeFrom＝"column"><wp:posOffset>267970</wp:posOffset></wp:positionH><wp:positionVrelativeFrom＝"paragraph"><wp:posOffset>-56515</wp:posOffset></wp:positionV><wp:extentcx＝"151765"cy＝"187325"/><wp:effectExtentl＝"0"t＝"0"r＝"0"b＝"0"/><wp:wrapNone/><wp:docPrid＝"7"name＝"文本框3"/><wp:cNvGraphicFramePr/><a:graphicxmlns:a＝"http://schemas.openxmlformats.org/drawingml/2006/main"><a:graphicDatauri＝"http://schemas.microsoft.com/office/word/2010/wordprocessingShape"><wps:wsp><wps:cNvSpPrtxBox＝"1"/><wps:spPr><a:xfrm><a:offx＝"0"y＝"0"/><a:extcx＝"151765"cy＝"187325"/></a:xfrm><a:prstGeomprst＝"rect"><a:avLst/></a:prstGeom><a:noFill/><a:lnw＝"9525"><a:noFill/></a:ln></wps:spPr><wps:txbx>差</wps:txbx><wps:bodyPrlIns＝"0"tIns＝"0"rIns＝"0"bIns＝"0"upright＝"1"/></wps:wsp></a:graphicData></a:graphic></wp:anchor></mc:Choice><mc:Fallback><v:shapeid＝"文本框3"o:spid＝"�s1026"o:spt＝"202"type＝"#�t202"style＝"position:absolute;left:0pt;margin-left:21.1pt;margin-top:-4.45pt;height:14.75pt;width:11.95pt;z-index:251708416;mso-width-relative:page;mso-height-relative:page;"filled＝"f"stroked＝"f"coordsize＝"21600,21600"o:gfxdata＝"UEsDBAoAAAAAAIdO4kAAAAAAAAAAAAAAAAAEAAAAZHJzL1BLAwQUAAAACACHTuJAjemw4NYAAAAH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"><v:path/><v:fillon＝"f"focussize＝"0,0"/><v:strokeon＝"f"/><v:imagedatao:title＝""/><o:lockv:ext＝"edit"aspectratio＝"f"/><v:textboxinset＝"0mm,0mm,0mm,0mm">差</v:textbox></v:shape></mc:Fallback></mc:AlternateContent>。