例句與造句

1. The existence of periodic solution of a neutral delay logistic equation
   方程周期解的存在性
2. Oscillation for bounded positive solutions of two - type logistic equations
   方程有界正解的振動性
3. On the existence of positive periodic solutions of a logistic equation with time delay
   方程周期正解的存在性
4. The existence theorem of almost periodic solution for the logistic equation with infinite delays
   方程的概周期解存在定理
5. Existence and uniqueness of asymptotic almost periodicity of logistic equation and the chacrachter of the solution
   方程解的存在唯一性及其性態(tài)
6. It's difficult to find logistic equation in a sentence. 用logistic equation造句挺難的
7. The existence and asymptotic behavior of almost periodic solution for the logistic equations with infinite delay
   方程的正概周期解存在性與漸近性
8. The existence and asympeo tic behavior of almost periodic solution for the logistic equations with infinite delay
   方程的正概周期解的存在性與漸近性
9. Tp was the eigenvalue of logistic equation . the dre differences among plants could be well differentiated by tp
   拐點是邏輯方程的一個特征值，對離體枝的脫水速率具有較好的鑒別能力。
10. According to the data we have gotten , the paper educes a logistic equation , from which some conclusions are drawn
    并運用logistic分析，根據(jù)已經(jīng)收集到的數(shù)據(jù)進行了測算，得出了相應(yīng)的logistic的回歸方程和企業(yè)融資租賃影響因素logistic分析結(jié)果。
11. Nevertheless , the logistic equation was not far from precise , but after a hunderd years , it was still an important and widely applied model in ecology
    盡管logistic模型還遠不夠精細，但是直到一百多年后的今天，它仍是種群生態(tài)學中的一個重要的而且被廣泛應(yīng)用的模型
12. Within the author ' s knowledge , recently , the results are few about the asmptotic logistic equation . the articles , [ 32 - 33 ] discuss the logistic equation , in which the two important indexes r ( t ) and k ( t ) are not only dependent on t . but also asmptotically tend to periodic function
    目前，據(jù)作者所知，在r ， k是漸近周期函數(shù)方面， logistic方程的結(jié)果卻相對很少，文獻[ 32 ， 33 ]所討論的系統(tǒng)參數(shù)r ， k不僅是與時間t有關(guān)，而且是漸近接近于周期函數(shù)的
13. The main content is to study the stability of some cobweb models in which supply or demand curves are given nonlinear form . researches on the stability are done and the existent conditions and stable regions about equilibrium price are obtained . chapter five , application of logistic equation in cobweb models
    第四章：對具體幾個蛛網(wǎng)模型的分析本章是本文研究的核心和重點之二，主要研究了對于供給函數(shù)或需求函數(shù)為特定非線性形式的幾個蛛網(wǎng)模型的動態(tài)分析與穩(wěn)定性問題，分別對需求函數(shù)或供給函數(shù)為非線性函數(shù)時的蛛網(wǎng)模型，進行了動態(tài)分析和穩(wěn)定性分析，從而得出了其均衡價格的存在條件及穩(wěn)定區(qū)間。
14. Especially in recent score years , in autonomous and nonautonomous systems , the neutral , finite - delay , infinite - delay , diffusive , discrete , discrete - delay , generalized , difference and other style models were discussed on optimal harvesting , osillation , stability , global stability , and other asmptotic behaviors of logistic equation . reference were searched in [ l - 6 ] , [ 10 - 18 ] , [ 20 - 31 ] , [ 34 ] . the periodic and almost periodic function logistic equation , which are widely studied recently , the results about the above are found on many kinds of magazines
    尤其是近二十多年來，在自治系統(tǒng)與非自治系統(tǒng)中有關(guān)有限時滯型，無限時滯型，中立型，離散型，擴散型，離散時滯型，廣義型，差分型logistic方程的最優(yōu)捕獲策略，振動性，周期解，概周期解，漸近性態(tài)，全局性態(tài)等方向進行了各方面的研究，可參見文獻[ 1 - 6 ] ， [ 10 - 18 ] ， [ 20 - 31 ] ， [ 34 ]
15. Therefore , we need more concrete function to better discribe the variation of some biological populations in our real world . the two important indexes r ( t ) and k ( t ) of logistic equation are asmptotic periodic function , and discussed by author . the asmptotic solution of the asmptotic periodic logistic function is obtained
    因而，為了更好地刻劃客觀世界，我們需要用更加符合客觀實際的函數(shù)來描述生物種群的變化，于是作者對logistic方程的兩個重要的參數(shù)r ( t ) ， k ( t )分別是漸近周期函數(shù)時，研究漸近周期logistic方程的漸近周期解，并且得到了解的存在性，唯一性，全局吸引性等一些良好的性質(zhì)
16. Artificial neural network can be used to detect oil & gas information from seismic data . self - organizing feature map and back - propagation network are discussed firstly . aimed at issue of local optimization in back - propagation network and based on chaotic feature in logistic equation , a kind of chaos optimized artificial neural network is presented
    5 、混沌神經(jīng)網(wǎng)絡(luò)多屬性特征信息智能判別：首先討論了kohonen自組織神經(jīng)網(wǎng)絡(luò)和bp神經(jīng)網(wǎng)絡(luò)的算法和存在的問題，針對bp神經(jīng)網(wǎng)絡(luò)中梯度下降法只能達到局部最優(yōu)的問題，本文根據(jù)logistic方程滿混沌時軌道點的遍歷性、隨機性和不重復(fù)性，對神經(jīng)網(wǎng)絡(luò)權(quán)值的初值進行優(yōu)化，提出一種權(quán)值初值混沌優(yōu)化的改進神經(jīng)網(wǎng)絡(luò)算法。
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