極性無窮大 的英文怎麼說

中文拼音 [jíxìngwúqióngdà]
極性無窮大 英文
polar infinity
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 窮 : Ⅰ形容詞（貧窮） poor; poverty stricken Ⅱ名詞1 （窮盡） limit; end 2 （姓氏） a surname Ⅲ副詞1 （...
  • 無窮 : 1. （沒有窮盡; 沒有限度） infinite; endless; boundless; inexhaustible 2. [數學] infinite
  1. The utilisation of waste paper, fells of sewer rodents, human excrement possessing chemical properties, in view of the vast production of the first, vast number of the second and immense quantity of the third, every normal human being of average vitality and appetite producing annually, cancelling byproducts of water, a sum total of 80 lbs. mixed animal and vegetable diet, to be multiplied by 4, 386, 035 the total population of ireland according to the census returns of 1901

    值得注意的是第一樣東西產量極大，第二樣數量龐大，第三樣無窮無盡，因為有著一般體力與食慾的正常人即使刨掉液體副產物，每個人每年排泄的總量也仍達八十磅動物性及植物性食品相混雜，乘以4 ， 386 ， 035 271即可根據一九0一年所做的普查表統計的愛爾蘭人口總數。
  2. The sagacious knowledge in series is inscribed : according to the description of series the gender is defined, the limit that we know to narrate endless series on the road is 0, that is to say as number increases indefinitely, an indefinitely approach in series at 0

    數列中的哲學問題:根據數列的描述性定義，我們知道上述無窮數列的極限是0 ，也就是說隨著項數無限增大，數列中的項無限地趨近於0 。
  3. The aim of this study is to investigate theoretically the possibility for activation of small mammalian myelinated nerve fibers without activating larger ones when stimulating a nerve fiber bundle with a monopolar point electrode using biphasic pulses, which can reduce the electrochemical damage resulted from stimulation pulses to nerve fibers. a simulation system for studying the electrical properties of mammalian myelinated nerve fibers was built based on a simple infinite and homogeneous volume conductor model. by use of an asymmetric but charge - balanced stimulation waveform, the sensitivity of excitation and blocking threshold of nerve fibers to fiber diameter, electrode - fiber distance was calculated. the results show that selective activation of small mammalian myelinated fibers may be possible in a region at some distance from the electrode using biphasic pulses

    本研究的目的是要從理論上探討利用單電極雙向脈沖刺激實現哺乳動物神經纖維選擇性刺激， （即當刺激一束神經時，不興奮粗神經而興奮細神經）的可能性.雙向脈沖刺激可以降低刺激脈沖對神經纖維產生的電化學損傷.為研究哺乳動物有髓神經纖維的電特性，建立了一個基於簡單的無窮大、各向同性的容積導體模型的模擬系統.利用該模擬系統，採用「不對稱但電荷平衡」的雙向脈沖刺激，計算了神經纖維的興奮和阻斷閾值與纖維直徑、纖維-電極間距離的關系.結果表明：在距電極一定距離內採用該雙向脈沖刺激模式確實可以實現哺乳動物有髓神經纖維的選擇性興奮
  4. This paper mainly discusses the periodic solutions of some integral and differential equations with infinite delay. the studies of the existence and uniqueness of the periodic solutions and the stabilities of these equations have attracted great concern in recent years and many good results have been obtained. this paper has further extended these conclusions on the foundations of them, and obtained some new results with the method of exponential dichotomy, fixed point theorem and liapunov functional respectively

    本文主要討論具有無窮時滯積分微分方程的周期解。對于這類方程周期解的存在唯一性和穩定性的研究近年來已經引起人們極大的關注，也得到了若干很好的結果。本文主要是在這些結果的基礎上將已有結論做了進一步的推廣，分別用指數型二分性，不動點定理， liapunov泛函的方法得到一些新的結論。
  5. To a portfolio of life policies of one kind, we study the limiting distribution and strong law of large numbers of the average lost of policies, and simulation

    對於一組性質相同的壽險保單，我們研究了當保單數量趨于無窮時，保單平均成本的極限分佈和強大數定律，並用隨機模擬和非參數估計的方法給出了極限分佈的分佈函數表。
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