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- For a dynamic system, if there is a (quasi) weakly almost periodic point but not an almost periodic point, then there exists a subsystem which is chaotic in the sense of revised Devaney. 摘要得到一個(gè)動(dòng)力系統如果存在非幾乎周期的（擬）弱幾乎周期點(diǎn)，則存在子系統在修改的狄萬(wàn)內意義下是混沌的。
- Pseudo Orbit Tracing Property and Almost Periodic Point 偽軌跟蹤性與幾乎周期點(diǎn)
- Almost periodic point 幾乎周期點(diǎn)
- Existence of almost periodic solutions for a class of pendular equations. 一類(lèi)擺動(dòng)方程概周期解的存在性。
- Weakly almost periodic points 弱幾乎周期點(diǎn)
- By using properties of scalar almost periodic function, properties of uniform almost periodic matrix function are discussed. 摘要利用純量概周期函數性質(zhì)討論了一致概周期矩陣函數的一些性質(zhì)。
- Since H. Bohr proposed the theory of almost periodic function, this field has been developed greatly. Bohr提出概周期函數理論以來(lái);這一領(lǐng)域得到了很大的發(fā)展;其發(fā)展過(guò)程的一個(gè)主要特點(diǎn)就是其函數范圍不斷擴大.
- The authors investigate the Fourier series of Weyl almost periodic functions by the new definition and prove the Parseval's equality. 通過(guò)新形式的定義研究范爾概周期函數的傅立葉級數和帕塞瓦爾等式。
- Through the analysis, it is shown that the critical periodic point as a function of refractive index is very important to fabricate the antireflective subwavelength grating. 同時(shí)證明，臨界周期點(diǎn)隨折射率的變化規律在亞波長(cháng)抗反射光柵的制作中有重要的作用。
- Sequela period point to come on after rising 2 years, right now face paralysis still presses permanent facial nerve irreparably paralytic processing. 后遺癥期指發(fā)病起2年以后，此時(shí)面癱仍不能恢復則按永久性面神經(jīng)麻痹處理。
- A nonlinear Volterra integrodifferential equation is investigated. The existence and uniqueness of almost periodic solutions for the equation is obtained. 研究非線(xiàn)性Volterra方程概周期解,得到方程存在唯一概周期解的一組充分條件。
- Using the method of topological degree, we prove the existences of positive almost periodic solutions for a generalizaed infectious diseases model equation. 摘要給出推廣的傳染病方程正概周期解存在的一個(gè)定理，并用拓撲度方法給出簡(jiǎn)潔的證明。
- The boat heeled over in a strong wind. 船在強風(fēng)吹襲下傾側了。
- The computation of lyapunov exponent with different parameters shows that there were double periodic, almost periodic and chaotic motion behavior in this system. 通過(guò)對系統李雅普諾夫指數的計算，發(fā)現了該系統存在倍周期、概周期運動(dòng)以及混沌運動(dòng)現象。
- Foreign affairs are his strong point. 外交事務(wù)是他的特長(cháng)。
- Dancing is not her strong point. 她不擅長(cháng)跳舞。
- Another definition of Weyl almost periodic functions is introduced by using trigonometric polynomial. it is proven that the equivalence of these two definitions. 摘要利用三角多項式給出范爾概周期函數新形式的定義，并證明兩個(gè)定義方式的等價(jià)性。
- It is shown that f has a periodic point with period not a power of 2, if and only if there is a chain reccurent point x of f, such that x is asymptotically periodic but non-periodic. 本文證明了f有周期為非2方冪的周期點(diǎn),當且僅當存在f的鏈回歸點(diǎn)x,使得x是漸近周期點(diǎn)但不是周期點(diǎn)。
- The islanders are a strong breed of people. 這些島上的居民是一種體格強壯的人。
- The man attached a strong rope to his sled. 那人將一條結實(shí)的繩子系在他的雪撬上。
