obtain a class 中文意思是什麼

obtain a class 解釋
畢業考試得優等
  • obtain : vt 得到，獲得，買到；達到（目的）。 obtain a reward 得到報酬。 obtain a prize 得獎。 obtain a hea...
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  • class : n 1 階級;社會等級。2 學級；班級，年級，級，班；組；（有組織的）講習班；〈美國〉同年畢業班；【軍事...
  1. What exam of grade of numerical control machine wants to see you learn is which kind of machine, numerical control machine includes numerical control car specificly, mill, auger, grind, machining center is waited a moment, you need study machine of the system to add knowledge, be familiar with a machine tool, return practice of the machine on need, the most important is the person guidance that need knows, self - study is very difficult, the knowledge on book needs to combine practice a little, the proposal has gone ability school learns a few the basiccest knowledge ( 2 to 3 years ), there can be relevant grade letter after ability school graduates next ( from primary labour, intermediate class, senior worker worker, technician, senior technician, hind two kinds obtain the hardest, want knowledge not only even relevant experience, its wage scale is equal at the engineer, chief engineer one kind ) remain be about to rely on oneself to get

    數控機等級考試要看你學的是哪一類機器，數控機器具體的包括數控車，銑，鉆，磨，加工中心等等，你需要系統的學習機加知識，熟悉機床，還需要上機實踐，最重要的是需要懂的人指導，自學很難，書本上的知識有些是需要結合實踐的，建議去好一點技校學習一些最基本的知識（ 2到3年） ，然後技校畢業后會有相關的等級證書（從初級工，中級工，高級工，技師，高級技師，后兩種最難取得，不僅要知識還要相關經驗，其待遇級別等同於工程師，總工程師一類）剩下的就要靠自己鉆了。
  2. One class classification is a machine learning approach different from the traditional pattern recognition approach where two or more class samples are required. however in some real - life cases, we can hardly, even not, get the samples of some classes, or have to pay costly price to obtain the so - needed samples, such as in the case of machinery malfunction. and while in other cases, the sizes of samples among classes are imbalance, such as medical diagnosis

    單類分類器是不同於傳統模式識別的一種機器學習方法，傳統模式識別方法一般需要多個類別的樣本（至少兩個） ，而在有些場合中，幾乎無法獲取多類的樣本，或者獲取其樣本所需花費的代價非常高，比如：機器故障中我們不可能為了去獲得故障樣本而讓機器特意產生故障；又有些場合的類別樣本個數嚴重不平衡，比如醫學上的疾病特徵與非疾病特徵的比例是嚴重不平衡的。
  3. Claw - free graphs have been a subject of interest of many authors in the recent years. the first motivation for studying properties of claw - free graphs apparently appeared from the beineke ' s characterization of line graphs in [ 4 ], [ 5 ]. however, the main impulse that turned the attention of the graph theory community to the class of claw - free graphs was given in late 70s and early 80s. during the period some first results on hamiltonian properties were proved in [ 6 ], [ 7 ], [ 8 ], [ 9 ]. prom then on, more and more authors began to study the problem of hamilton. they studied mainly in the following two aspects : cycle aspect and path aspect. we may obtain some results about cycle in [ 3 ] and [ 10 - 30 ]

    研究該圖類的最初動機來源於deineke [ 4 ] ， [ 5 ]線圖的特性，然而引起人們尤其注意是在70年代末80年代初，整個這個時期在[ 6 ] ， [ 7 ] ， [ 8 ] ， [ 9 ]中關于哈密頓性質的一些初步結果被證明從此用無爪圖來研究哈密頓問題日益活躍，人們主要從以下兩個方面來研究：圈方面和路方面其中關于圈方面的部分結果可參見文獻[ 3 ]及[ 10 - 30 ]等
  4. Firstly we deduce hyperbolic function transformation and then apply to a class of reaction diffusion equation and brusselator reaction diffusion model which has physics, chemistry and biology significance. thus we obtain many new exact and explicit solutions ( including solitary wave soluiton, peoiodic wave solution and rational functions solutions ) to above equations

    推導出了雙曲函數變換，利用此方法探討了一類反應擴散方程， brusselator反應擴散方程這些具有物理、化學、生物意義的方程的精確解（包括奇性孤波解，周期解和有理函數解） 。
  5. When considering the subject " the administration of sale of land by public auction ", the committee are gravely dismayed that, in the sale of a site in siu sai wan, the director of lands, and the chairman and members of the district lands conference ( dlc ) had neither achieved the government s planning objective of lowering the development density in order to " thin out " the population, nor sought to obtain the maximum revenue at the public auction by upgrading the siu sai wan site to a class c site, for example, by requiring the provision of an extra street

    在審議有關「公開拍賣土地的管理工作」的事宜時，委員會對于地政總署署長、地區地政會議的主席及成員在出售小西灣土地一事上，既未有落實政府降低發展密度以「減低」人口密度的規劃目標，亦未有藉訂立規定例如要求在土地上多鋪築一條街道，把小西灣土地提升為丙類地盤，力求在公開拍賣中爭取最高收益，表示極度遺憾。
  6. Lots of concrete examples are (, ) - metrics. and one of fundamental problems in finsler geometry is to find and study finsler metrics with constant ( flag ) curvature. on the basic, we majarly study the following problems in present paper : ( a ) to the property of a class of (, ) - metrics in which is parallel with respect to riemann metric a and riemann metric a is of constant curvature, we obtain the following theorem4. 3 let f (, ) be a positive definite metric on the manifold m ( dimm > 3 )

    在finsler幾何中，我們現在已知的finsler度量已經很多了，但大多數具體的例子主要都集中在（ ， ） ?度量中，又在finsler幾何中一個基本的問題就是去發現和研究具有常曲率的finsler度量，基於這些本文主要研究了以下一些問題： （ a ）一類關於是平行的並且riemann度量具有常曲率的（ ， ） ?度量的特殊性質，得到了如下的定理4
  7. Fucoidans is a unique class of sulfated polysaccharide with many special activities. and oligosaccharides from fucoidans are more valuable than the whole fucoidans due to their low conglutination and high solubility. in this paper, samples are collected from different coastal areas in qingdao in order to obtain bacteria producing fucoidanase

    巖藻聚糖硫酸酯是一種獨特的活性多糖，而由其降解得到的寡糖，由於粘度低，溶解性好等優點而比原生的巖藻聚糖硫酸酯更有利用價值。
  8. In the opinion of the article, the sweet fruit of mathematical teaching is n ' t the mathematical content which students have acquired directly in class but the mathematical thought and method behind the knowledge which students have had a true grasp and master, and improving the teaching of mathematical thought and method is the key of making the high school mathematical enducation modernizing. the article has adequately connected the theroy with the practice, it will make our maths teacher obtain revelation and enhancing, and play an important part to the mathematical teaching in high school

    本文認為，好的數學教學成果不是課堂上直接教給學生的數學內容本身，而是使學生領會和掌握的隱含在課本內容背後的數學思想方法，加強數學思想方法教學是中學數學教育現代化的關鍵。本文很好地做到理論與實踐的結合，將對我們的數學教師有啟示與提高作用，對中學數學教學將產生積極的影響。
  9. This article uses fixation swatch founding for second - class investigation to obtain character of 207 sample trees, by which mathematics model of ground diameter volume table of chinese fir were deduced by regressing and imitating with five of equations respectively, and used unitary and binary volume tables of timber respectively to reckon an unitary ground diameter volume table, then compared the two ground diameter volume tables, so that a ground diameter volume table of chinese fir in yanping district was compilated to satisfy essentially the precision demand of forestry production, and to serve forestry production

    摘要利用二類調查布設的固定樣地，收集207株樣木調查資料，分別採用5個方程進行回歸擬合，選出杉木人工林地徑材積表的方程模型，利用一元材積表和二元材積表導算編制一元地徑材積表，並進行比較，結果表明二元材積表導算地徑材積表的方法精度較高，基本滿足林業生產所需精度要求，可以提供林業生產服務。
  10. Class provides a direct way to specify and obtain provider - specific options for manipulating a directory object

    類提供了指定和獲取提供程序特定選項以用於操作目錄對象的直接方法。
  11. In the second chapter, we obtain the necessary and sufficient condition where the cubic kolmogorov type system is bounded if homogeneous polynomials of degree 3 are relatively prime. and we obtain there are only four behaviours of the trajectories near the equator of the bounded cubic system if the homogeneous polynomials of degree 3 are relatively prime. in the third chapter, we study the existence and nonexistence of limit cycle for a class of bounded cubic systems

    第一章為引言；第二章，我們得到了齊三次項互素時三次kolmogorov型系統有界的充分必要條件及其在赤道上孤立奇點附近軌線的分佈情況有且僅有四種；第三章，我們研究了一類有界三次kolmogorov型系統極限環的存在性與不存在性。
  12. We introduce liapunov - schmidt reduction method to investigate the bifurcation of a class of nonlinear reaction - diffusion equations in developmental biology. near the bifurcation point we obtain nontrivial solutions branch emitted from the trivial solution

    首先，我們引入liapunov - schmidt約化方法，應用到該方程得到該非線性微分方程在分歧點附近分歧方程的解析近似表達式及其非平凡解的漸進表達式。
  13. 5. by applying our recurrence method of decreasing order, we obtain the close formulas of convoluted summations for generalized fibonacci - lucas numbers, euler numbers and genocchi numbers etc. furthermore, we obtain the computed formulae of the higher - order cumulants for a class of the lattice animal and some identities for riemann zeta functions and beta functions. 6

    建立降階遞歸法，並用這種方法得到廣義fibonacci - lucas數、 euler數、 genocchi數等的多重卷積求和的封閉公式，進而得到了若干riemannzeta函數與beta函數的恆等式以及一類latticeanimals的高階累積量的計算公式。
  14. So we can easily obtain nilpotent class of s * ( a *, c * ) - groups and the structure of their derived subgroup in the case of torsion and locally nilpotent group

    從而進一步得到了周期的局部冪零群的冪零類及導群的結構。
  15. Using the matching condition, a class of nonlinear singularly perturbed problems for two boundary layers are discussed. asymptotic expansion of solution for boundary value problem are obtain

    摘要利用匹配條件，討論了一類三階非線性奇攝動問題，得出了奇攝動邊值問題的漸近展開式。
  16. Using the matching asymptotic expanding method, the solutions for a class of nonliear singularly perturbed problems are discussed. zero order asymptotic expansions of solution for boundary value problem are obtain

    摘要利用匹配漸近展開法，討論了一類非線性奇攝動問題的解，得出了奇攝動邊值問題的零次漸近展開式。
  17. Secondly, definitions of a extended bethe tree, bethe tree and cayley tree are introduced. further, the even - odd markov chain fields and markov chain fields indexed by a extended bethe tree, bethe tree and cayley tree are defined. subsequently the strong limit theorems proved above are applied to the study of all kinds of even - odd markov chain fields and markov chain fields defined above, which both extend the conclusions in [ 30 ] and [ 39 ] and prove a class of strong limit theorems for the even - odd markov chain fields and markov chain fields. as corollaries, we obtain some strong limit theorems for the frequencies of occurrence of states and ordered couples of states for the even - odd markov chain fields and markov chain fields. lastly, some coarse estimates are gained about the state occurrence frequencies for all kinds of even - odd markov chain fields and markov chain fields defined in the paper

    然後把前面所證得的一類強極限定理應用到本文中所定義的各種奇偶馬爾可夫鏈場、馬爾可夫鏈場的研究工作中，從而推廣了[ 30 ]和[ 39 ]中的結論，獲得了本論文中所定義的各種奇偶馬爾可夫鏈場、馬爾可夫鏈場的一類強極限定理。作為這一類強極限定理的推論得到了狀態和狀態序偶出現頻率的一類強極限定理。最後，給出了本論文中所定義的各種奇偶馬爾可夫鏈場、馬爾可夫鏈場上狀態出現頻率的若干粗略估計。
  18. In the second part, we consider a class of reaction - diffusion equations in developmental biology. near the bifurcation points, using the liapunove - schmidt reduction process, we obtain the nontrivial solution branches which are bifurcated from the trival solution when the parameter changes

    然後考慮發育生物學中一類反應擴散方程組，在分歧點附近利用liapunov - schmidt約化技巧，得到了從平凡解分歧出來的隨參數變化的非平凡解枝以及它們的近似解析表達。
  19. In the fifth chapter, we use the the methods of function theory establised a class of analytic reproducing kernel space, we call it a generalized arveson space. we study the relationship of these space, and obtain some intersting results, we also defined toeplitz c * - algebra on the generalized areveson space, obtain some results of toeplitz c * - algebra on the generalized areveson space

    在第五章中，我們利用函數論的方法建立了更廣泛的一類解析的再生核空間，稱之為廣義arveson空間，討論了它的一些關系，並得到了一些有趣的結果。還定義了廣義arveson空間上的toeplitzc * -代數，建立了廣義arveson空間上的toeplitzc * -代數的一些性質。
  20. Paper define the relation to grade highway distance and highway class ( two outputs ) and population and equal gdp ( two inputs ) by using neural network, and after conducting calculation, obtain a family sciatica result that highway distance of zheng zhou city will arrive at 8038 kilometer, it has been accepted by interrelation department

    論文採用神經網路方法來確定等級公路里程、公路等級（兩個輸出）與人口、人均gdp （兩個輸入）的關系，進行計算得到， 「到2020年鄭州市的公路里程將達到8038公里，同時公路等級也上升為0 . 443 」的比較科學的結論，得到有關部門的采納。
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