To a general KdV equation with singular curves on phase plane, we explain the reason why these non-smooth traveling wave solutions arise.Based on the bifurcation analysis, all possible traveling wave solutions have been known qualitatively.

論文的第三章考慮奇異性對非線性波動方程解的結(jié)構的影響久.com，針對相空間上出現(xiàn)奇異線的廣義KdV方程熟女激情视频，詳細討論了奇異線的存在對解的結(jié)構的影響，分析系統(tǒng)中非光滑行波解產(chǎn)生的原因影音先锋新男人av资源站。

The eco-tourism as a traveling and sightseeing of caring environment ,under the situation of not disturbing the natural region, protecting ecological environment, reducing the negative influence of traveling and providing beneficial social and economic activities situation to the local people, mainly through protection of environment, achieves the goal local ecology and population can develop sostenuto.

生態(tài)旅游作為一種對環(huán)境負責的旅游和觀光行為中文字幕欧美精品人妻一丘，在不干擾自然地域性黑人大战欧美视频免费看、保護生態(tài)環(huán)境、降低旅游的負面影響和為當?shù)厝丝谔峁┯幸娴纳鐣徒?jīng)濟活動的情況下真人黄色网，主要通過對環(huán)境的保護狠狠干天天碰天天色，達到使當?shù)氐纳鷳B(tài)和人口得以持續(xù)發(fā)展的目的。

With warp drive, traveling from Earth to Mars took as little time as traveling from New York to Tokyo by suborbital shuttle.

依靠曲速引擎AV免费在线www，從地球到火星只需要花費等同于搭乘次軌道飛行器從東京到紐約的時間无卡无码无免费播放毛片。

Traveling by train in open sleeping compartment is often the best and preferred way of traveling in China.

搭火車睡臥鋪游歷大江南北，是中國最方便的旅行方式国产乱伦黄片。

As a student, he was awarded the MIT Traveling Fellowship, and the Wheelwright Traveling Fellowship at Harvard.

學生時代手机在线黄色视频，他獲得過麻省理工學院和哈佛的惠爾懷特出國獎學金。

For diffusive Predator-Prey model with Holling-Ⅲ functional response without time delay, shooting argument together with LaSalle's Invariance Principle and the Hopf bifurcation theorem are applied to prove the existence of traveling wave solutions and small amplitude traveling wave train solutions.

在數(shù)學理論的研究中正在播放国产精品，行波解可以揭示方程本身的許多重要性質(zhì)忍住就让你无套精品国产；在實際應用中，行波解可以很好的表現(xiàn)自然世界中的振蕩現(xiàn)象欧美中文字幕日韩综合四季。因此未满十八禁止进入，對反應擴散方程行波解的研究具有非常重要的意義。

An object of the present invention is to provide a high-quality biaxially oriented film exhibiting an excellent electromagnetic conversion property, traveling durability, magnetic head traveling performance, etc.

本發(fā)明的目的在于提供一種特別是用于磁記錄介質(zhì)時欧美又粗又长的A片在线观看，電磁轉(zhuǎn)換特性人人区人人爽人人澡欧美一区、走行耐久性和對磁頭的走行性優(yōu)良的高品質(zhì)雙向取向薄膜。

Gao jianwei has made thespeech which warmly brims with, he said: china took in the world oneof most beautiful national, has innumerably make person wonderful shan xiushui, the chinese traveling economy is graduallybecomes take the vigorous development strong tendency the chinese neweconomy growth spot, the development traveling economy, the promotiontraveling industry development has brought as china has been joyfulmultiple profits.

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Or 4 persons to be introduced under one main theme following the line of traveling story, experiences and novelly characterized traveling concepts.

在一個大主題下并列介紹3至4個人物，以旅行故事H片合集、經(jīng)歷和新鮮個性的旅行概念為主線免费一级在线视频播放。

Traveling, and actively traveling forces us to strip down to the essential tools, gear, and technology we need to get around and English is the best lingual tool for the job.

旅游，并積極前往迫使我們拆開的重要工具末成年作爱视频国产，設備和技術国产va在线精品播放，我們需要得到解決和英語是最好的工作語言工具。