数控专业外文文献翻译-外文翻译--数控系统发展趋势

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南通职业大学毕业设计 1 外文翻译 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 通职业大学毕业设计 2 0s to of of to of of of C of to in of to in a to of in ofof 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 通职业大学毕业设计 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 通职业大学毕业设计 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 通职业大学毕业设计 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 通职业大学毕业设计 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 通职业大学毕业设计 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 通职业大学毕业设计 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 通职业大学毕业设计 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 通职业大学毕业设计 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 通职业大学毕业设计 11 s to a to at of a a a of 南通职业大学毕业设计 12 一、数控系统发展趋势 从 1952 年美国麻省理工学院研制出第一台试验性数控系统,到现在已走过了 46 年历程。数控系统由当初的电子管式起步,经历了以下几个发展阶段: 分立式晶体管式小规模集成电路式大规模集成电路式小型计算机式超大规模集成电路微机式的
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