performance n. 1.执行,实行,履行;完成;实现;偿还。 2.行为,动作,行动;工作。 3.性能;特性。 4.功绩;成绩。 5.演奏;弹奏;演出;(驯兽等的)表演;把戏。 6.【物理学】演绩。 a performance test 【机械工程】性能试验。 high performance 高度准确,性能优良。 an afternoon performance 午后的演出,日戏。 two performances a day 一天演两场。 a fine [wretched] performance 成绩好[坏]。 put a monkey through its performances 使猴子玩种种把戏。 performance in [of] horse-manship 马戏;马术表演。
limit n. 1.界限,界线;边界。 2.极限,限度;限制。 3.〔pl.〕范围,范域。 4.限价;限额;赌注限额;猎物限额。 place limits on the number of men 限制人数。 set a limit to ... 对…加以限制。 the danger limit 危险线;极点。 reach the limit of one's patience 忍无可忍了。 limit value 【数学】极限值。 the age limit for enlistment 入伍的年龄限制。 There is a limit to everything. 凡事都有限度。 be the limit太过分,叫人无法容忍。 go beyond [over] the limit超过限度。 go the limit运动赛完全局[全场]。 go to any limit竭尽全力。 off limits 〔美国〕(军人)禁入地区 (Off limits to all unauthorized personnel. 闲人免进)。 on limits 〔美国〕(军人)活动地区。 reach the limit of one's resources 山穷水尽。 the inferior limit 1. 最迟的限期。 2. 最小的限额。 the limit 〔口语〕使人无法容忍的人[物],到了绝顶的事物。 the limit man 在赛跑时受最大让步的运动员。 the superior limit 1. 最早的限期。 2. 最大的限额。 That's the limit . 这算到头了,不能再容忍了。 to the (utmost) limit 到极点 (strain oneself to the limit竭尽全力)。 within limits 适当地,在一定范围之内。 within the city limits 在市内。 within the limits of 在…的范围之内。 without limit 无限制地,无限地。 vt. 1.限制,限定。 2.减少。 limit the number to fifty 把数目限制到五十。 limit the expenses 节省开支。 adj. -able
performance limits of irreversible carnot engine 不可逆卡诺热机的性能界限
Equipment for crop protection-knapsack sprayers-performance limits 植保设备.背负式喷雾器.性能限制
(b ) study the spectral amplititude system, analyze the performance limit to noise (b)对光谱幅度编码系统进行了分析,分析了制约系统性能的噪声因素。
Spraying equipment for crop protection-specification for performance limits for field spraying nozzles 农作物保护用喷雾设备.第4部分:田间喷嘴性能极限规范
Radiation protection-criteria and performance limits for the periodic evaluation of processors of personal dosemeters for x and gamma radiation 辐射防护.x和射线辐射的个人剂量处理器的定期评价准则和性能限值
The present shortage of radio spectrum results in large part from the cost and performance limits of legacy hardware established during the past century 目前无线电频谱壅塞的现象,大多起因于上个世纪制造的老式硬体设备在成本与效能上受到限制。
B ased on the analysis o f performance limit of turbo codes, it is made clear that the distance spectrum in optimizing codes is the objective of designing optimal interleaver 在对turbo码性能限分析的基础上,指出优化码字的距离谱是优化交织器设计的准则,并提出了扩散度的概念。
4 ) by using the famous bode integrals and the derived relations between information rates and h entropy, performance limits of several kinds of linear control systems disturbed by stationary noises are investigated from the viewpoint of information theory 4)从信息论的角度考察控制系统性能的内在局限。结合bode积分、信息率和h。嫡的关系,阐述了几类受随机干扰线性控制系统的性能极限。
The purpose is to compress the dynamic range of input signal from 40db to 5db . microwave limiting amplifier is widely used in electronic detecting and interfering radar system . so design a high performance limiting amplifier is a very important research direction 限幅放大器把很宽动态范围内的微波输入信号放大并压缩为很小动态范围的微波输出信号,减小输入信号大动态范围内的波动对输出信号处理的影响。
The basic performance limit expressions about this novel mb is derived in order to design it . the novel magnetic bearing is analyzed employing the finite element method and has been integrated into a test facility with very simple control met hod, and the results of selected experiment have been provided 在以上分析的基础上,推出磁悬浮力的线性化方程,计算了电流刚度和位移刚度,同时提出了这种磁轴承的性能指标公式,为该磁轴承的设计提供了理论依据。