數學分類學 的英文怎麼說

中文拼音 [shǔxuéfēnlèixué]
數學分類學 英文
taxometrics
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 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...
  • 數學 : mathematics
  1. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種及供試菌株量,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實驗中, its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態實驗、 eric - pcr實驗以及southern雜交實驗的結果析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態法和現代的子生物法,兩者的關系是相輔相成,互為驗證
  2. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上,首先從胭脂蟲的形態、生物特性入手,進而在實驗室內利用人工氣候箱,應用正交設計方法,設計了4種溫度、 2種濕度、 2種光照梯度的不同組合,通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指、世代歷期、雌成蟲的大小、懷卵量等生物指標,深入研究胭脂蟲在這些組合下的生長發育狀況,應用理統計方法,析出溫度、濕度和光照對各項生物指標的影響,找出胭脂蟲適宜的室內培育條件,並為野外胭脂蟲的培育提供一定的理論依據。
  3. The majority of other books on plant taxonomy are either less concise or more specialized.

    有關植物的其它著作中,大多不是不夠簡明就是過于專業化。
  4. Numerical taxonomy of medicinal plants of curcuma in china

    國產姜黃屬藥用植物的研究
  5. Secondly, the thesis bring ups to make use of mathematics clustering analysis method, combine with analysis the accident occur rate of each occupation ( business enterprise ), the death rate of employment injury, the severely wounded rate of employment injury, the slight wound rate of employment injury, the death rate of occupational disease, the occur rate of occupational disease and the circumstance of employment injury overhead and so on, to classify the risk grades of occupation ( enterprise ). according to the clustering consequence, the grade differential rate of the

    其次,論文運用析方法,結合各行業(企業)的事故發生率、工傷死亡率、工傷重傷率、工傷輕傷率、職業病死亡率、職業病病傷率以及工傷費用支出情況等指標進行行業(企業)風險等級。根據結果,合理確定各行業風險等級差別費率。再次,論文通過對國內外現行工傷保險費率浮動方法的研究,提出了結合企業千人死亡率、千人重傷率、千人輕傷率和支收率指標來確定企業費率浮動的方法。
  6. Capillipes - type , heterogenea - type , huitsunae - tupe and christinae - type a key to them was provided the 4 pollen types of lysimachia in anhui have been a ~ anged in the evolutionary sequence , of which the capillipes - type , possessing small pollen grains , with verrucous - foveolate , imperforate , only

    在此基礎上,綜合各種形態據資料,進行了研究,討論了屬內物種之間可能的系統親緣關系和演化趨勢。
  7. In this paper, we combine normalized pattern spectrum, relative mome - nts and geometrical characteristic with artificial neural network to achieve classify and recognize the chart of axes track

    本文主要介紹了以歸一化形態譜、相對矩和形狀參為特徵,結合人工神經網路實現對軸心軌跡的自動識別和
  8. Numerical taxonomy on the basis of the morphology and palynology, 11 taxa were studied using the numerical taxonomy, on which relationship between the species were discussed. the results revealed that relationship among 34 characters used by the numerical taxonomy were relatively isolated. 5. molecular systematics data obtained from rapd technique significantly shows relationship between this species

    研究在形態和抱粉觀察的基礎上進行了潤捕屬植物的研究,探討了各群間的相互關系,所獲得的結論與比較形態和抱粉研究的結論基本一致。
  9. There is a distinction to be made between the document standards, core components, ontological and taxonomical efforts underway as a result of the wide ranging integration and application collaboration activities on the net : the udef seeks only to be an attribute in the data element

    網路上已經進行了廣泛的集成與應用程序協作的工作,因此我們需要明確目前正在進行的文檔標準、核心組件、本體論和工作相互之間有什麼區別。 udef只是尋求成為據元素中的屬性。
  10. Many patient taxonomists from several european countries and america then sieved through litres of muddy gravel with microscopes and pairs of tweezers to see what treasures had been captured

    來自歐洲幾個國家和美國的許多家耐心地用顯微鏡和鑷子對以升計、沾滿爛泥的沙礫進行篩,來看看什麼樣的寶貝被鏟了上來。
  11. The rapid development of numerical taxonomy over the past fifteen years has contributed to the development of parallel methods in plant ecology.

    的迅速發展,雖是近十五年的事,但它對植物生態中相應方法的發展作出了貢獻。
  12. Very large data bases vldb 05, trondheim, norway, 2005, pp. 505 - 516. 8 agrawal s et al. dbxplorer : a system for keyword search over relational databases

    因此,我們提出一個習和選擇候選網路的方法clascn classification , learning and selection of candidate network來提高基於模式圖的在線據庫關鍵詞檢索系統的查詢效率。
  13. The measurement of numerical taxonomy was applied to study the morphological variations of cerasus subhirtella var. ascendens in different populations between fujian wuyi mountain and jiangsu baohua mountain

    摘要利用手段對福建武夷山和江蘇寶華山不同居群野生早櫻形態特徵進行了比較研究。
  14. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於形態的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,析了手寫字的結構特點,提出了基於筆劃特徵的任意手寫字在線識別技術和基於多級器任意手寫字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫字的割的基礎下對脫機手寫字識別進行了研究,對基於最小距離器字元識別、基於樹器的字元識別、基於自適應共振( art )網路的字元識別別進行了詳細討論,並引入置信度析將多個器進行了混合集成;最後簡單闡述了手寫字識別的典型應用,對其在大規模據統計、財務、稅務、金融及郵件揀中的應用進行了探索。
  15. Based on the treatment engineering of 26 kilometers lacustrine deposits soft soil foundation in han - sha sect of yi - huang freeway, the paper, through the means of centrifugal model test and field observation, establishes mathematical analysis model, completely and detailedly researches and analyses the stability of lacustrine deposits soft soil foundation and the rule of settlement, guides the large - scale construction of yi - huang freeway 26 kilometers soft foundation treatment, educes the settlement characteristic and the rule of lacustrine deposits soft soil subgrade, summarizes the scientific measure of effectively controlling the stability and settlement of such kind of foundation

    本文以宜黃高速公路漢沙段中的26公里湖相沉積軟土地基的處理工程為依託,通過採用離心模型試驗與現場原位監測相結合的手段,建立析模型,對湖相沉積軟土地基的穩定性及沉降規律進行了全面、細致的研究與析,指導了宜黃高速公路26公里軟基處理的大規模施工,得出了湖相沉積軟土地基路堤沉降特性及規律,提出了有效控制此地基穩定性及沉降的科措施。
  16. Multivariate morphometrics was conducted on the endemic asian genus sinibrama wu, 1939 in east asia in order to investigate the morphological variations among the 4 nominal species and subspecies known from south china. principal component analysis ( pca ) was performed respectively for seven meristic and thirty - two morphometric characters that were based on 224 specimens

    運用多變量形態度量方法,研究東亞特有魚群?華鯿屬魚的形態差異,對其在上存在疑問的物種的不同地理居群的18個框架測量距離、 14個常規測量距離和7個可性狀進行了主成析。
  17. The main work includes : the research and conments about some recognition methods ; the research and comments about three kind of mathematics morphologic arithmetic ; clustering ; matlab embedded in the vb ; the difference analysis in the dynamic image and so on

    主要做的工作包括幾種識別方法的研究與評述;三種形態演算法的實現以及各自的優劣比較;利用無監督習進行聚以及matlab在圖像處理中的嵌入;動態圖像的差析等。
  18. The machine subject take the kinetics and the dynamics as main foundation, taking mathematics analysis and the experiment as means, studying each kind of basic sport regulation and motive behavior of machine

    機構是以運動和動力為主要基礎,以析和實驗為手段,研究各機構的基本運動規律和動力行為。
  19. Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use

    本文採用全國首批建立的「縣級土地利用現狀據庫」的基礎據,結合影響土地利用變化的經濟、社會、環境等綜合因素,採用相關析軟體( dps 、 spss )和析方法(主成析、灰色關聯度析、多元回歸析、多元時空序列馬爾柯夫鏈析、 gm ( 1 , 1 )預測模型析、灰色序列gm ( 1 , n )模型析等方法) ,對江安縣土地利用變化及其驅動力進行定性、定量研究,研究結果表明: 1江安縣人均總的土地資源量和單一土地利用型的量在宜賓或四川省區域內均無優勢;地形對土地利用方式的選擇起著主導作用;土地利用變化的總趨勢是:耕地、林地、交通用地和水域面積不斷減少,居民點及工礦用地和未利用地面積不斷增加;景觀多樣性指呈現「 」趨勢。
  20. Numerical taxonomy of 14 species in genus schisandra

    五味子屬14種植物的研究
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