operation n. 1.动作,行动,活动;业务,工作;作用。 2.效果,效力;有效范围,有效期间。 3 【工业】工序;开动,运转;操作,运用;施行,实施。 4.【数学】运算;【医学】手术;【军事】〔常 pl.〕军事行动,作战;〔pl.〕【航空】地面指挥所;【商业】(资金的)运用;交易;投机买卖;〔美国〕经营。 operation of breathing 呼吸作用。 regulations for technical operations 技术操作规程。 directing operation 【火箭】控制程序。 the operation of a machine 机器的运转。 a capital operation 大手术。 four operations (算术的)四则,加减乘除。 a base of operations 作战根据地,作战基地;策源地。 a plan of operations 作战计划。 main operations 主力战。 operations on exterior [interior] lines 外线[内线]作战。 come [go] into operation 开始工作,开始运转;生效。 in operation 活动着;运转着;施行着。 perform an operation (on sb. for a disease) (给某人)动(外科)手术。 put into operation 实施,施行。 undergo an operation 受手术。
This factory specialized production stainless steel face work machinery , unceasingly practices and the innovation after many years , causes to make the machinery to obtain the further consummation , the performance good stable , the efficiency high , is easy to grasp its mechanical operation performance 本厂专业生产不锈钢表面加工机械,经多年不断实践和创新,使所造机械得到进一步完善,性能良好稳定、效率高、易于掌握其机械操作性能。
20 . electric system fig . 10 a . the plc controlled electric system and diagrammatic operation system make the order of all mechanical operations and the adjustment of operation time expressed in letters or figures on the screen which makes the operation and adjustment more convenient and steady 20 .电控系统fig10 a电控系统采plc控制,搭配图形荧幕显示操作系统,本机所有动作功能的选用及所有动作时间的调整,均于荧幕上以图形及数字显示,大幅提升操作及调整的方便与稳定性。
Lp series 8 , 000 - 36 , 000 bottleshour bottle ordering machine is an indispensable auxi - liary machine for high speed bottle filler by mechanical operations , the bottle order - ing machine is able to order the random bo ttles and send them in good order to the conveying belt of the filling machine , so a to meet the need of for the full automatic production process Lp系列理瓶机lp系列每小时8000瓶- 36000瓶,是高速灌装机必备配套产品,用机械动作来完成塑料瓶从零乱上瓶至有序排瓶至灌装机送风道,可以满足灌装机全自动生产需要。
As a result of the heightening of mechanical operation speed and the application of new materials and new structures , the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important . nonlinear dynamic phenomena in rotating machines cant be described , explained and predicted by rotordynamics based on linear system theory . along with the deepening and permeating of nonlinear scientific research , the nonlinear vibration of rotor systems has become an attractive field in recent years . from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines , main advances in the research of rotor nonlinear vibration are summarized , and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper . the aim of the paper is to enrich the diagnostic knowledge base of rotating machines . 55refs 由于机械运转速度的不断提高和新型材料、新型结构的推广应用,旋转机械的非线性动力学行为日显突出和重要.基于线性系统原理的转子动力学理论与方法难以对实践中出现的丰富的非线性动力学现象作出准确的描述、阐释和预测.近年来,随着非线性科学研究的深入和渗透,转子系统非线性振动已成为应用力学和机械工程领域的研究热点之一.从有利于建立旋转机械振动状态集与故障集之间的映射关系出发,综述了近年来转子系统非线性振动研究的主要进展,总结了转子系统中出现的典型非线性动力现象及其产生机理,目的在于丰富旋转机械故障诊断知识库.参55