稀有類型 的英文怎麼說

中文拼音 [xīyǒulèixíng]
稀有類型 英文
infrequent types
  • 稀 : Ⅰ形容詞1 （事物出現得少） rare; scarce; uncommon 2 （事物之間距離遠; 空隙大） sparse; scattered 3...
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 稀有 : rare; unusual; uncommon稀有貴金屬 rare precious metals; 稀有貨幣 scarce currency; 稀有氣體 rare g...
  • 類型 : type; mold; form; cut類型論 theory of types; 類型語句 [計算機] type statements
  1. This paper adopts an adaptive learning algorithm based on hierarchy clustering to update user profile, which continuously abstract the cancroids of one class of optimum information from the feedback flow of system, which effectively shield the learning process from plenty of feedback noises produced by distorted threshold and sparseness of initial information, which also can imitate artificial feedback approximately to perfect the intelligence of adaptive learning mechanism

    摘要本文採用一種基於層次聚類的自適應學習策略，從系統反饋的信息流中，動態提取一類最優信息的質心更新用戶模型，有效屏蔽了閾值失真和初始信息稀疏造成的大量反饋噪聲，並且能夠近似模仿人工反饋，完善自適應學習機制的智能性。
  2. Environmental mineral fibre mainly points crude minerals like sepiolite and palygorskite species layer - chained magnesian silicate, which have excellent physical - chemical properties and are rare environmental mineral materials in the world nowadays because of the rigor of their form conditions. the single crystals of palygorskite are mostly acicular and fibrous, 30 - 80nm of crystal diameter, and are typical crude nano - rank materials

    環境礦物纖維主要指以海泡石、坡縷石類層鏈狀鎂質硅酸鹽為主的天然礦物，具有優良的物化性能，由於其形成條件苛刻，為世界性稀缺的環境礦物材料，其單晶多為針狀、纖維狀，晶體直徑為30 - 80nm ，屬典型的天然納米級材料。
  3. Both upper and lower epidermis cells are polygonal or irregular in shape in all species studied. the patterns of anticlinal walls are straight, arched or sinuous, and the raphal cuticular striastriae are occasionally observed on periclinal walls. stomatal apparatus and secretory cells are found on the upper epidermis of several species and on the lower epidermis of all species

    結果表明：這些植物葉片的上、下表皮細胞呈多邊形或不規則形，垂周壁式樣為平直、弓形或波浪狀，平周壁偶有脊狀條紋；少數種類上表皮還有氣孔器或分泌細胞，所有種類下表皮具氣孔器和分泌細胞；氣孔器類型以平列型和側列型居多，偶爾有無規則型；氣孔極區呈稍角質加厚或棒狀加厚，稀t形加厚。
  4. The statistics on the family distribution types and genus distribution types of seed plants shows that the rare and endangered plants in yunnan province have obvious tropic and subtropic floristic characters

    種子植物科和屬的分佈區類型的統計結果表明，雲南省珍稀瀕危植物具有明顯的熱帶、亞熱帶性質。 ? ?雲南省珍稀瀕危植物信息系統? ? 3
  5. Rare birds and endemic species can be found there, as well as forests of giant ferns

    人類在這里發現了許多稀有鳥類、當地特有物種和大量的巨型蕨類植物。
  6. In this paper, we study two correlated riskmodel. we give the relation between these models through made comparisons. we generalize common poisson process in correlated aggregate claims model ofwang and yuen ( 2005 ) and consider compound poisson - geometric process. weexamine basic properties and upper bounds for the ruin probability of compoundpoisson - geometric risk model with thinning - dependence structure. we also inves - tigate the impact of the thing - dependence structure on the ruin probability

    在王過京和kamc . yuen （ 2005 ）等研究的基礎上，本文將其相關模型中的普通poisson分佈推廣為具有許多優良性質的復合poisson - geometric分佈，考察稀疏相依結構下的復合poisson - geometric風險模型的基本性質及破產概率的上界，並對此類相依結構對破產概率的影響進行分析。
  7. As a new type of functional material which has been developed in recent years, rare earth - iron giant magnetostrictive materials has many advantages, such as large magnetostriction strain, high coupling coefficient, quick response, high energy density and so on, which make it have good application future in fields of precision driving and microdisplacement based on the new type of functional material, this paper uses new principles and approaches to study this kind of microdisplacement actuator and its precision driving system

    稀土鐵系超磁致伸縮材料就是近年來發展起來的?種新型的功能材料，具有磁致伸縮應變大、機磁耦合系數高、響應速度快、能量密度高等優點，已在精密驅動及微位移執行器等領域顯示出良好的應用前景。本論文以這種新型的功能材料為基礎，以基於該類材料的微位移執行器及其精密驅動系統為研究對象，並採用一些新的原理和方法，為新型、高性能微位移執行器及其精密驅動系統的研究提供一個新的途徑與思路。
  8. The study of regional geological setting mineralization environment, occurence mode of ore bodies, ore characteristics, metallogenic phase, trace elements and rare earth elements, ore - forming mechanism, ore - controlling conditions, ore types and prospecting marks of the gold deposit along kangur ductile shear zone has a certain instructive significance on setting up a regional metallogenic model and identification marks of gold of ductile shear zone type along kangurtage, and on probing into metallogenic regularity and comprehensive prospecting model

    摘要通過對康古爾韌性剪切帶型金礦床的區域地質背景和成礦環境、礦體產出形態、礦石特徵、成礦階段、礦床微量元素及稀土元素、礦床形成機理、成礦控制條件、礦床類型、找礦標志的研究，對成礦規律和建立綜合找礦模型均具有一定的指導意義。
  9. Traditional rule - based classifiers train rules by using sequential covering technique, but the technique can make the models cover many examples of non - target class ( negative examples ) and fail to classify rare class

    傳統的基於規則的分類演算法多是採用順序覆蓋技術訓練分類規則，訓練得到的模型覆蓋大量的非目標類實例，對稀有類分類時效果很差。
  10. The key issue of the study is to solve the effective exhaustion item type of the small - scale original numerator and sparse data set, so it can make analysis on all the possibilities of the containing type

    研究的核心問題是解決對小規模原子項和稀疏數據集進行有效的窮舉項類型，從而進行所有蘊涵式可能性的分析。
  11. As a new type optical storage material, it has momentous applied value in many aspects, such as super - condense and super - speed disc storage, image storage, information treatment, optical calculation, infrared detection, infrared up - conversion imaging, radiation dose measurement, etc. in this paper, we prepared cas : eu, sm srs : eu, sm and casrs : eu, sm materials with excellent optical storage properties by wet method prepared precursor and followed rare earth direct doped method in reduced atmosphere

    作為一類新型的光存儲材料，它在超高密、超高速光盤存儲、影像存儲、信息處理、光計算、紅外探測、紅外上轉換成像、輻射劑量測定等方面具有重大的應用價值。本文採用濕法制備前驅物、然後在還原氣氛下利用稀土直接摻雜法制備了具有良好光存儲性能的cas ： eu ， sm 、 srs ： eu ， sm及casrs ： eu ， sm光存儲材料。
  12. Economists describe many types of entry barrier, including high capital requirements, scarce raw materials, scale economies, favorable locations, patents and licenses

    經濟學家描述過許多類型的進入壁壘，包括高額的資本要求、稀缺的原材料、規模經濟、有利的位置、專利和執照。
  13. Today, oop and com technique is used widely in software area. in this paper, on the basis of nonlinear transient electromagnetic field analysis, oop technique is applied to build the basic class library of machine, and the store of large sparse matrix was combined with related algorithm closely, which save the cpu time obviously

    目前面向對象編程技術（ oop ）和組件技術（ com ）已在軟體領域得到廣泛應用，本文在進行非線性瞬態電磁場理論分析的基礎上，採用oop技術，進行了電機求解的基本類庫的構建，將大型稀疏矩陣的存儲與有關演算法緊密耦合，顯著提高了運算速度，並形成了用於求解非線性瞬態電磁場的軟體包。
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