常見例句Some sufficient condition to guarantee the existence of global invariant manifolds consisting zero homotopic closed orbits is gived. 同時給出了這類系統(tǒng)存在由第一類（零倫）閉軌組成的全局不變流形的條件。By using the homotopic mapping method, a class of simplified nonlinear model is studied, and the approximate solution is obtained. 利用同倫映射方法,研究了一類簡化型非線性模型。Following BDA placement in auditory cortex, callosal axons to both auditory (homotopic callosal axons) and visual (heterotopic callosal axons) cortex were observed. BDA應(yīng)用于聽覺皮質(zhì)后 ,標(biāo)記的胼胝體軸突見于對側(cè)聽覺和視覺皮質(zhì) (即同源性和異源性胼胝體軸突 )。It is based on nonlinear homotopic BP neural network with nonlinear normalization method to identify the oil pumping model, and the genetic algorithm to optimize the downtime. 利用非線性規(guī)范化方法的非線性同倫BP神經(jīng)網(wǎng)絡(luò)對采油模型進(jìn)行辨識，采用遺傳算法優(yōu)化停機(jī)時間。This homotopic method is an approximate analysis method, which can be more used for analyzing other behavior of the sea surface temperature anomaly of the atmosphere-ocean oscillator model. 本同倫方法是近似的的解析方法，它能進(jìn)一步分析海-氣振子的海表溫度異常的其他性態(tài)。Yang Haitian, Xue Qiwen, Du Xiuyun, Solving Inverse Heat Conduction Problems in Steady State via Homotopic Optimization Method, Journal of Basic Science and Engineering, 2004, 12(1), 93-100. 楊海天，薛齊文，杜秀云，同倫優(yōu)化算法求解穩(wěn)態(tài)傳熱反演問題，應(yīng)用基礎(chǔ)與工程科學(xué)學(xué)報(bào)，2004, 12(1), 93-100; 返回 homotopic