聚於一點的 的英文怎麼說
中文拼音 [jùyúyīdiǎnde]
聚於一點的
英文
point-foussed-
Rationalism considered the spirit and reason, which comes from the natural ideas of god, as the basis of knowledge. this is apriorism. and empiricism considered that human ’ s knowledge come from experience. the collection of perceptions constructed the experience
唯理論的觀點認為知識的合理性基礎是人的思維和理性,理性來自於上帝的「天賦觀念」 ,它是先驗的;而經驗主義的觀點認為人的一切知識都來自於經驗,人對事物感覺的聚合構成了人的經驗。Certificated product of ministry of electricity, is adopted the latest technique integrated settling method, coacervation, vacuum separation, absorption, centrifuge method, pressure filtration with string capacity of demulsification, dehydration, degassing, impurity removal
該機採用最新工藝,融合重力沉降法凝聚法真空分離法吸附法離心分離法壓力過濾法的優點於一體,具有很強的破乳化脫水脫氣除雜質的能力。High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country
Kdp晶體零件是目前公認的最難加工的光學零件之一,因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點,所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸, kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。It is inferred that its active transcription occurs in the same region, not the nucleoplasm. the result will help us to further comprehend the mechanism of rna polymerase transcription, the way of its transcripts processing and transport, and the structural and functional relationship among the three rna polymeraes
這一結果不僅直觀地向人們表明了rna聚合酶在真核細胞核中的轉錄位點,而且對於人們進一步認識和理解rna聚合酶的轉錄機制、其轉錄產物的加工運輸途徑、以及真核細胞當中不同的rna聚合酶間的組織和調控關系都將有著重要的理論意義。Stephen mujerm, 40, and new fiancee victorine taboh began arguing about 6 a. m. monday as they drove home from the party in northern york county
史蒂芬?墨傑明今年40歲。周一早上6點時,他和未婚妻維多琳?塔布一同開車從聚會回位於北部的約克縣的家。在路上二人發生了爭執。It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. good character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film
聚乙烯醇是一種水溶性高分子聚合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作聚合反應的乳化劑和分散劑,同時可取代澱粉等作為膠粘劑,廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業,在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面,日益顯示出其良好的使用性能。It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. sound character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film
聚乙烯醇pva是一種水溶性高分子聚合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作聚合反應的乳化劑和分散劑,同時可取代澱粉等作為膠粘劑,廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業,在作為紡織用經紗漿料織物整理劑精細化工用聚合物助劑建築塗料用粘合劑以及製成薄膜後作為包裝材料等方面,日益顯示出其良好的使用性能。Based on the clustering property of the basis function of sparse coding, a basis function initialization method using fuzzy c mean algorithm is proposed to help the energy function of sparse coding to converge to a better local minimum for recognition. experimental results show that the classification and the sparseness of the features are both improved
經過模糊c均值聚類初始化后的基函數能夠讓稀疏編碼的能量函數收斂到一個更有利於識別的局部最小點,試驗結果表明特徵的分類性和稀疏性都得到了提高。In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local
本文首先對聚類分析的遺傳演算法進行了研究,討論了聚類問題的編碼方式和適應度函數的構造方案與計算方法,分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究,提出了一種基於遺傳演算法的k - means聚類改進(混合聚類演算法) ,在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ,用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心,最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索最優解的方法,其顯著特點是隱含并行性和對全局信息的有效利用的能力,所以新的改進演算法具有較強的穩健性,可避免陷入局部最優,大大提高聚類效果。The x - ray is isotropic measured by pin detector, the hard x - ray ( > 30kev ) production become smaller with the reduction of the incident laser intensity, when the intensity is lower than 101 ? w / cm2, there is no hard x - ray generation
這是第一次實驗測量紫外飛秒激光輻照固體靶產生的硬x -射線連續譜,為研究把紫外激光應用於慣性約束聚變「快點火」的可能性提供了實驗數據。In [ grs98 ], a novel hierachical clustering method is presented
[ grs98 ]中提出了一種新穎的基於多代表點的層次聚類方法cure 。The revamp, to be completed prior to the 2008 olympic games, will reinforce the mall s position as a shopping, dinning and entertainment focus for both local residents and tourists
翻新工程將於2008年奧運會開幕前完成,進一步鞏固商場作為當地居民及旅客購物飲食及娛樂聚焦點的地位。Perhaps for such reasons, the term " prime focus " is increasingly being used in a more general manner : in systems in which there is only one place where there is a focuser - - where an image is formed and you can get at it with an eyepiece or some other equipment - - that location is called the " prime focus "
可能出於這些原因, 「主焦點」一詞正逐漸被人們以一種更寬泛的方式使用:在只有一個聚焦裝置的光學系統中,那個成像的、可以用目鏡或其他裝置攝取像的位置,就叫做「主焦點」 。The colors of woven fabric patterns are identified automatically by using the combined technique of a fuzzy c - means clustering algorithm and template matching, and the colour images of color - yarn arrangements and the woven fabric images classificated in colors are obtained, which can be used for fabric pattern recognition and template matching identifition
摘要採用模糊聚類與模板疊合判定技術相結合的方法實現了色織物組織點顏色的自動判析,得到色紗的排列圖和顏色分類后的織物圖像,可用於進一步的組織識別和疊合驗證。The openarms youth project is a youth group located in tulsa, oklahoma , where openly gay teenagers can gather and share their views
「張開你的臂膀」青少年計劃,是一個位於奧克拉荷馬州圖什市的一個青年組織,在那裡,公開了自己同性戀的青少年們可以在聚在一起分享他們的各種觀點。The paper puts forward the clustering algorithm includes : clustering based on grid and iterative, enhanced clustering algorithm base on density and k - medoids, enhanced k - means algorithm ( optimize chooseing consult _ points in iterative process ), enhanced clustering algorithm base on distance. they can overcome many limitations ( some traditional algorithms terminate in local optimization. many results of cluster are roundness, too many times in partition iterative process ), which are related to the static architecture of traditional model
在傳統聚類演算法的基礎上,結合我們科學數據挖掘的應用對象?分子動力學數據,提出了迭代網格聚類演算法, k -平均和基於密度結合的聚類演算法,迭代過程中優化選擇中心點的k -平均方法,以及改進型的基於距離的聚類演算法等模式識別方法,能夠解決傳統演算法帶來的諸多問題(比如一些傳統的聚類演算法常常收斂于局部最優,發現都模式都趨近於球形,劃分方法中迭代次數過多帶來的效率問題) 。Observe the bookshelf carefully, find that there are two very suspicious places, utilize the wooden ladder to investigate these two places, find two classics, one is originally the research regarding the energy of the world is distributed, say above whole world spread all over lines of energy, the point of intersect of the line intersection point of energy is the place where energy is gathered, three pieces of energy are held in the world a bit most, stone burst, duncan river district, south america capital of peru to lie in north america new england to lie in britain ; another guide of duncan river book originally, inside copy, state duncan cliff district of river there are intricate underpasses, some can still pass through so far
仔細觀察書架,發現有兩處地方很可疑,利用木梯調查這兩個地方,找到兩本書典,一本是關於世界能量分佈的研究,上面說整個世界遍布著能量線,而能量線相交處的交點則是能量聚集的地方,世界上有三個能量最盛點,分別是位於英國的石陣、位於北美新英格蘭(英國殖民地)的鄧肯河地區、南美秘魯的首都;另一本是鄧肯河向導書,裏面描述說鄧肯河的懸崖地區有錯綜復雜的地下通道,有些至今仍能通行。Conventional clustering criteria - based algorithms is a kind of local search method by using iterative mountain climbing technique to find optimization solution, which has two severe defects - sensitive to initial data and easy as can get into local minimum
傳統的基於聚類準則的聚類演算法本質上是一種局部搜索演算法,它們採用了一種迭代的爬山技術來尋找最優解,存在著對初始化敏感和容易陷入局部極小的致命缺點。The main contents of this thesis include : ( 1 ) summarize and analysis of the theories on vibration transmission through rolling element bearings ( 2 ) based on the threshold setting and signal ’ s statistical approach, a method for solving the problems of denoise was developed ( 3 ) using sparsity and clustering, the method and hypotheses for underdetermined blind source separation was studied ( 4 ) the method based on potential function clustering was given for underdetermined blind source separation of noisy signals based on the assumption that the input distribution is sparse and the mixture procedure is linear, the attenuation matrix and the delay matrix were estimated by clustering. the approach was experimentally illustrated for the case of m = 2. the separation of the signals from bearing test bed proved that the given methods are available and reliable
在需求分析和研究現狀分析的基礎上,本論文針對如下內容進行了重點研究: ( 1 )以滾動軸承為例,對旋轉機械振動信號的傳輸進行了歸納分析; ( 2 )通過設定某一門限並研究信號間的統計特性,研究了旋轉機械振動信號的盲源分離過程中噪聲消減策略; ( 3 )應用稀疏信號分析和聚類分析方法,對盲源分離中欠確定問題的假設條件進行探討並對分離方法進行了分析; ( 4 )採用基於勢函數聚類分析的方法,研究了欠確定前提下含噪聲測量過程中信號盲源分離方法。Abstract by setting up a network model of data aggregation and using a bit - hop metric to quantify energy costs in wireless sensor networks, we formally analyze the problem of area - based data aggregation and obtain that data aggregation will definitely be energy efficient when the relative difference between the average lengths of the two shortest paths, which are from source sensor nodes to the sink and to the aggregation node respectively, is not less than the ratio of data correlation to the number of source sensor nodes
摘要通過抽象出無線傳感器網路中區域數據回傳的網路模型,定量研究了區域數據聚合的節能條件,證明了先聚合再回傳比直接進行數據回傳所節省的相對路徑長度,如果大於等於數據相關性與源節點個數的比值時,區域數據聚合一定可以節省能耗,並進一步給出了當數據聚合點在網路的不同位置,或數據的空間相關性不同時,區域數據聚合的節能條件。分享友人