近主焦點 的英文怎麼說

中文拼音 [jìnzhǔjiāodiǎn]
近主焦點 英文
perifocus
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 焦點 : 1 [數學] [物理學] (二次曲線焦點; 主焦點) focal point; focus 2 (問題的關鍵所在或爭論的集中點) ...
  1. In recent years, along with the occurrence of the affairs of diaoyu island, “ chunxiao ” oil gas farmland and chun - chi - nio reef, the disputes about the rights of east sea between japan and china have been intensified

    年來,中日東海權益之爭,已經成為了社會各界普遍關注的。中日兩國政府都在據理力爭本應屬于本國的海洋權益,紛紛提出了自己的觀張。
  2. Elsewhere, the euro remained steady against the major currencies, off earlier highs in narrowly ranged trade, with markets watching comments from a meeting of euro zone finance ministers and central bankers to assess levels of concern over the euro ' s strength

    歐元兌要貨幣仍然持穩于盤中,略低於早盤高並在低宰幅波動,目前市場關注的于歐元區財長會議及央行發表的言論來評估歐元進一步的走勢。
  3. Repulse bay was named after a british naval " repulsion " of pirates from there in 1841, and was also where love blossomed for han suyin and mark elliot in the classic love story, a many splendoured thing

    距離淺水灣不遠是香港一條要的漁村香港仔,停在附的珍寶海鮮舫燈光璀璨,是每一位訪港旅客不容錯過的美食
  4. The two cities kept close watch on each other. recently, hong kong has shifted attention to shanghai as a target competitor. now the chief executive positions hong kong with reference to such cosmopolitan cities as new york and london

    不久之前,港人仍不斷以新加坡為要的競爭對手,不斷互相揣摩,期的,則轉移到以上海作為目標對手,但現時行政長官卻提出紐約、倫敦等國際大都會作為新的定位,用意雖好,但道途的遙遠,實行起來的困難程度,卻千萬輕視不得。
  5. In the past few years, china has gradually formed its socialist market economy and the macro - economy is changing from a shortage economy towards a surplus one. this makes the changes in income distribution more conspicuous

    特別是幾年來,隨著社會義市場經濟體制基本框架的逐步形成,宏觀經濟由「短缺經濟」向「過剩經濟」轉變,收入分配變動更為顯著,並且日益成為社會各界普遍關注的
  6. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )處沒有定義,這給研究其在( 0 , 0 )附的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非線性方程奇的系列理論和方法,圓滿解決了這一問題,給出了第一象限內當t +或t -時,在全參數狀態下系統的軌線趨于( 0 , 0 )的所有可能情況,其相圖也得以描繪;並且,系統不存在極限環的幾個充分條件我們也予以列出,當x的等傾線在0 x 1范圍內遞減時,系統不存在極限環,全局漸穩定;然後,我們以中心流形定理和正規型方法為要工具,巧妙選擇參數,分別構造了一個余維2的鞍分岔和一個余維3退化bogdanov - takens分岔,證明了平衡是余維3的型平衡,存在參數, m ,的值使得系統( 6 . 1 )有兩個極限環,還存在參數, m ,的另外值使得系統( 6 . 1 )有同宿軌或雙同宿軌。
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