例句與造句

1. a cusp catastrophe model of unstable failure process of quasi-brittle materials
   準(zhǔn)脆性材料破裂過程失穩(wěn)的尖點突變模型
2. earthquake-induced liquefaction and pore water pressure based on cusp catastrophe model
   基于尖點突變模型的地震液化和孔壓研究
3. a cusp catastrophe model of the sticky expectation of the speculator in the futures markets
   期貨市場投機(jī)者粘性預(yù)期的尖點突變模型
4. the optimal course is automatically implemented with matlab . the cusp catastrophe model is established by means of the upper bound theorem of plastic limit theory . the characteristic formula of the failure of slope is also deduced
   根據(jù)分析邊坡穩(wěn)定性的塑性極限方法的上限理論建立了邊坡失穩(wěn)尖點突變模型，并得出邊坡突發(fā)式滑坡的特征關(guān)系式，用突變理論對非飽和土邊坡穩(wěn)定進(jìn)行了初步研究。
5. phase space reconstruction technique is used to reconstruct the phase plane . the approach to detect the abnormal point of the tune-dependent of the crack by phase space is developed . combined with gray system and catastrophe theory, according to observation data of dam cracks, a gray cusp catastrophe model is established to diagnose the abnormality of the crack
   (5)利用相空間重構(gòu)技術(shù)重構(gòu)裂縫時效變形的相平面，提出了裂縫時效轉(zhuǎn)異點的相平面識別法；并且基于突變理論和灰色系統(tǒng)理論，建立了裂縫轉(zhuǎn)異診斷的灰色尖點突變模型；并將以上方法和模型用于工程實際，由此對所提方法的可行性進(jìn)行了驗證。
6. It's difficult to find cusp catastrophe in a sentence. 用cusp catastrophe造句挺難的
7. the strain softening of dam body and foundation is the necessary condition for dam instability . according to observation data of dam cracks, a gray cusp catastrophe model is established to judge the stability of the crack . according to the slope observation data of a certain hydropower plant, a nonlinear dynamic model is developed by means of reversion and the lyapunov exponent spectrum, and the lyapunov information dimension are calculated for judgement of the stability of the slope
   （5）基于變分原理，研究建立了能量形式的失穩(wěn)準(zhǔn)則，并說明壩體、巖基的材料具有應(yīng)變軟化的性質(zhì)，是大壩失穩(wěn)的必要條件；并利用大壩的裂縫實測資料，建立了相應(yīng)的灰色尖點突變模型，由此判斷裂縫的穩(wěn)定性；根據(jù)某水電站庫區(qū)滑坡體的變形實測資料，反演其非線性動力學(xué)模型，進(jìn)而計算lyapunov指數(shù)譜、lyapunov信息維來判定邊坡的穩(wěn)定性及穩(wěn)定程度。
8. on the basis of displacement-time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper . due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution . the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding . the result shows that the nonlinear dynamic model can make satisfactory prediction result . is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )
   研究表明，滑坡變形失穩(wěn)過程具有混沌和分維特性，可以用分形理論來研究滑坡預(yù)測問題，基于對任一連續(xù)函數(shù)，至少在較小的鄰域內(nèi)可以用多項式任意逼近的數(shù)學(xué)理論，運(yùn)用改進(jìn)的backus廣義線性反演理論，以斜坡位移時間序列為基礎(chǔ)，反演了斜坡演化的非線性動力學(xué)模型。并利用自治梯度系統(tǒng)與突變模型的等價性，通過變量代換得到標(biāo)準(zhǔn)的尖點突變模型。