數控專業(yè)外文文獻翻譯-外文翻譯--數控系統(tǒng)發(fā)展趨勢

南通職業(yè)大學畢業(yè)設計 1 外文翻譯 A, to a a on to 952 ., 6 at of of of of of of of 0s, E:to NC C;2 PU of to to to to a NC a he of he to an to is is 990, to a to 30,000 of E: of 通職業(yè)大學畢業(yè)設計 2 0s to of of to of of of C of to in of to in a to of in of"of "of in of in it of 995 as 2100 of in of in a to an to an to to on of PU to of 通職業(yè)大學畢業(yè)設計 3 it be in to be as on of s of of to or a of to to to to to of on of to he to a in s in to go of an ui D be to to to to of 通職業(yè)大學畢業(yè)設計 4 In a to is to a to an or of of of to of o to to to to to to to in o to to of of of n to is of to a he a of to of to to to 通職業(yè)大學畢業(yè)設計 5 a a to to of be of 0s, in 0120 ms/to be up to a 60 ms/ of 5000100000 rs/ ia/to a of is to or an of ia/to to to in of a of a on a to an to on to of to of in to of to 000 8000 he 0000 通職業(yè)大學畢業(yè)設計 6 of be up 00,000 he of to is 00 of 00 at .1 4 at he to 2 to to to of a of to of to of as of a of is in on a is go to a 10 to is to to a to of of a 通職業(yè)大學畢業(yè)設計 7 of At of as to 00%, he a an to .1 a= is of is of of a of ao to of of to s be to 0 in of is 5 ms 10 a of 35 1 E a to ao in is an of in a is a ao be is a be to of a of to if 6 no (t) in a of 9%, of of of to 000 is 000 is by of of we 通職業(yè)大學畢業(yè)設計 8 a as of of 0:of i to at be 3333.3 in of to be 00,000 of to be 000 at to to 0000 to he he to to a a to a to to a is in to he in to in is in of to of to as be is of to to as ui of 通職業(yè)大學畢業(yè)設計 9 of as of of of of to he E:a to to of an on to to a is a of of is in of be is a be to ay to to NC he it to to a or a to be 通職業(yè)大學畢業(yè)設計 10 of be a of in of to is an of a to to to to a is to or an s s of to of to of a to of of as of 通職業(yè)大學畢業(yè)設計 11 s to a to at of a a a of 南通職業(yè)大學畢業(yè)設計 12 一、數控系統(tǒng)發(fā)展趨勢 從 1952 年美國麻省理工學院研制出第一臺試驗性數控系統(tǒng)，到現在已走過了 46 年歷程。數控系統(tǒng)由當初的電子管式起步，經歷了以下幾個發(fā)展階段： 分立式晶體管式小規(guī)模集成電路式大規(guī)模集成電路式小型計算機式超大規(guī)模集成電路微機式的