variation n. 1.變化,變動(dòng)。 2.變量,變度,偏差。 3.【語(yǔ)言】語(yǔ)尾變化;變體,異體;【數(shù)學(xué)】變分,協(xié)變;順列;【生物學(xué)】變異,演變,變種;【音樂(lè)】變奏曲;【天文學(xué)】變差;(月的)二均差;【物理學(xué)】磁差。 a principle without variation 不變的方針[原則]。 be capable of variation 可能變化。 be liable to variation 容易變化。 These prices are subject to variation. 上列價(jià)格可能變更。 adj. -al
Influence of parameter variation on ventilation during reversing wind manoeuvre in mines 自然風(fēng)壓在礦山通風(fēng)中的應(yīng)用
Study of influence on the mode parameter variations of a geophone under various impact forces 沖擊力對(duì)地震檢波器模態(tài)影響的研究
The linear model is feasible to the system that has relatively low frequency and small parameter variation and outer disturbs 線(xiàn)性化模型對(duì)一些頻寬不太高,參數(shù)變化和外干擾不太大的系統(tǒng)是可行的。
Different parameter variation caused by energy distribution duri ng die casting process shows that high energy filling mold is the key to insuring quality of die casting 從壓鑄過(guò)程中能量分配引起的各種參數(shù)變化,說(shuō)明高能充型是保證壓鑄件品質(zhì)的關(guān)鍵。
Numerical simulations are performed to investigate the effect on pem fuel cell performance of geometric parameter variation in the single cell and stack modules 實(shí)驗(yàn)方面,完成3組單電池及2組電池堆之組裝,并進(jìn)行性能測(cè)試,最后建構(gòu)500瓦電池堆之系統(tǒng)連接。
Based on the optimization idea to minimize the maximum value of residual vibration energy over the entire range of parameter variation , a robust time - delayed filter was designed 摘要基于殘留振蕩能量最小的優(yōu)化思想,在系統(tǒng)參數(shù)變化范圍內(nèi)設(shè)計(jì)魯棒時(shí)滯濾波器。
The nonlinear simulation results show the effectiveness and robustness of the proposed control schemes over a wide range of loading conditions and system parameter variations 非線(xiàn)性仿真結(jié)果也顯示出了綜合協(xié)調(diào)設(shè)計(jì)出的pss和sps在各種負(fù)載條件、參數(shù)變化情況下具有大范圍的魯棒穩(wěn)定性。
The test results demonstrate that the control system has not only better dynamic properties , but also strong robustness , and better self - adaptation for parameters variation and external disturbances 實(shí)驗(yàn)結(jié)果表明,該系統(tǒng)不僅有很好的動(dòng)態(tài)特性,而且具有較強(qiáng)的魯棒性,對(duì)于對(duì)象參數(shù)攝動(dòng)和外界干擾具有很好的自適應(yīng)性。
This is investigated upon a mathematical model of ifn - induced jak - stat signaling pathway by applying robustness analysis which is based on a broad range of simultaneous and systematical parameters variation 我們對(duì)細(xì)胞的jak - stat信號(hào)建立了數(shù)學(xué)模型,同時(shí)系統(tǒng)地改變模型中的動(dòng)力學(xué)參數(shù)反應(yīng)速率參數(shù),然后進(jìn)行大量的數(shù)值模擬實(shí)驗(yàn)。