performance deterioration中文什么意思

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用"performance deterioration"造句

性能惡化

deterioration: n. 1.惡化；變質(zhì)；退化。 2.墮落，頹廢。 3.凋萎；衰敗。 adj. -tive
accelerated deterioration: 加速老化; 加速劣化
affective deterioration: 情感衰退
aged deterioration: 老化變質(zhì)
alcoholic deterioration: 酒精中毒性衰退

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many processes can run simultaneously without a significant performance deterioration
許多進(jìn)程可以并行運(yùn)行,不會(huì)有性能的明顯降低。
when the number of samples is large, it is sensible for one to use a portion of data to achieve the original objective without performance deterioration
如果樣本數(shù)量巨大,那么通常的方法是從部分?jǐn)?shù)據(jù)中學(xué)習(xí),無(wú)損于性能地達(dá)到初始目標(biāo)。
the process and control engineers found that the mpc control systems perform well initially, but many factors can contribute to their abrupt or gradual performance deterioration . lacking of effective real-time monitoring and maintenance tool, some of the control systems would run poorer and pull down in the end
但是先進(jìn)控制算法的工業(yè)實(shí)踐者發(fā)現(xiàn)mpc控制系統(tǒng)在運(yùn)行初期可以獲得很好的控制效果，運(yùn)行一段時(shí)間之后受各種因素的影響性能逐漸變差，加上維護(hù)上的技術(shù)難度和滯后性問(wèn)題可能最終導(dǎo)致控制器不能正常運(yùn)行而被淘汰。
when studying the network performance, flow control and resource provisioning of communication networks, traffic model plays a very important role . the recent studies show that the date network traffic is self-similar, so the markovian model, which describes telephone networks accurately, is not suitable for date networks . the self-similarity of the network traffic has severe impact on flow control and queuing analysis in date networks, therefore it has received significant attention . in this paper, g m 1 queuing model is used to analyze the queuing performance of generic variable length packet networks for the first time . the self-similar traffic is generated by multiplexing a large set of independent pareto heavy-tailed interarrival on off sources . the simulation results show that the heavy-tailed traffic results in queuing performance deterioration for variable length packet networks, which is in accordance with the analytical results for atm switches
業(yè)務(wù)量的自相似特征顯著影響網(wǎng)絡(luò)的流量控制與排隊(duì)分析，已經(jīng)引起人們的極大重視。采用gm1排隊(duì)模型對(duì)分組長(zhǎng)度可變的網(wǎng)絡(luò)的排隊(duì)性能進(jìn)行了分析和仿真，其中自相似業(yè)務(wù)量是通過(guò)疊加大量獨(dú)立的到達(dá)間隔為pareto重尾分布的onoff源來(lái)生成的。仿真結(jié)果表明，自相似業(yè)務(wù)量導(dǎo)致網(wǎng)絡(luò)的排隊(duì)性能劣化，這與有關(guān)文獻(xiàn)對(duì)atm交換的分析結(jié)果一致。
abstract : a mathematical model describing the effect of flow nonuniformityon the performance of compact heat exchanger is provided, which is based on that one side of heat exchanger is uniformly distributed but the other is of maldistribution . the model may be expressed in two different types, i . e ., continuous model and discrete model . the former provides a method analyzing the performance deterioration of exchanger due to flow maldistribution, and the latter provides a reference to the improvement of experimental measurement . the analyzing method obtained can be used to compute the performance deterioration of compact heat exchanger due to flow maldistribution . the result is significant to the optimization of compact heat exchanger design
文摘:以一側(cè)流體分配不均勻的換熱器模型為基礎(chǔ)，建立了物流分配不均勻性對(duì)換熱器效能影響的數(shù)學(xué)模型，通過(guò)理論分析和計(jì)算，為研究換熱器內(nèi)部物流分配不均勻?qū)ζ湫艿挠绊懱峁┝艘环N分析方法.該理論模型包括連續(xù)模型和離散模型2種形式，前者為研究物流分配不均勻引起換熱器效能的下降提供了一種分析計(jì)算方法，后者為控制實(shí)驗(yàn)研究的精度提供了理論依據(jù).研究結(jié)論對(duì)換熱器的優(yōu)化設(shè)計(jì)具有重要意義