最小周長 的英文怎麼說

中文拼音 [zuìxiǎozhōuzhǎng]
最小周長 英文
minimum perimeter
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  1. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時，基質金屬的沉積連續進行，粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附，重新回到溶液中;採用周期換向脈沖時，反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附，同時，反向脈沖電流對基質金屬的溶解作用，也會促進粒子的脫附，因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加，三種鍍層的晶粒都明顯細化，說明al _ 2o _ 3的存在阻止了晶粒的長大，提高了電沉積過程中晶核的形成速率。
  2. The chelsea captain underwent state - of - the - art endoscopic surgery on thursday to remove a sequestrated lumbar intervertebral disc that had been troubling him for some time

    周四切爾西隊長進行了最先進的內窺鏡手術，移除了一塊困擾了他很久的椎間小骨。
  3. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型；使用周期性邊界條件以減小有限大格子空間帶來的系統誤差；用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為；用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動；用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。
  4. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。
  5. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  6. The flight up was successful and the spacecraft entered its orbit ten minutes after the launch. in the 21 - hour mission yang liwei orbited the earth 14 times, making a journey of about 600, 000 kilometers. shenzhou - 5 then landed safely on the amugulang prairie in the siziwangqi region of inner mongolia, only 4. 8 kilometers from the designated landing spot, significantly pointing to the advanced achievements of astronautics in china

    楊利偉在太空航行二十一小時，環繞地球運行十四周，飛行共六十萬公里，最後在內蒙古四子王旗阿木古朗草原安全著陸，與目標著陸點僅相距四點八公里，顯示中國航天科技的長足進步與卓越成就。
  7. This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily

    該振蕩波有下述特徵： （ 1 ）振蕩周期較長，多數在30 ? 120s范圍，故稱慢波振蕩； （ 2 ）振蕩幅度較大，其isi振蕩最小值在zms左右，最大值可達40ms ，表明放電頻率可在幾十到幾百k范圍內變動； （ 3 ）在isi連續變化過程中往往出現突然轉折，暫稱其為拐點。
  8. Darkness and silence ruled everywhere around. above them rose the primeval yews and oaks of the chase, in which were poised gentle roosting birds in their last nap ; and about them stole the hopping rabbits and hares

    在他們的四周，都是獵苑裡長的密密麻麻的古老的水杉和橡樹，樹上棲息的溫柔小鳥還在睡最後的一覺在樹林中間，大大小小的野兔在悄悄地蹦來跳去。
  9. Topping the results of the study were peruvians with more than half of them working more than 48 hours a week

    全球工作時間最長的國家是秘魯，超過一半的秘魯人一周的工作時間超過48小時。
  10. Topping the results of the study were peruvians with more than half 50. 9 per cent of them working more than 48 hours a week

    全球工作時間最長的國家是秘魯，超過一半的秘魯人一周的工作時間超過48小時。
  11. Topping the results of the study were peruvians with more than half ( 50. 9 per cent ) of them working more than 48 hours a week

    全球工作時間最長的國家是秘魯，超過一半（ 50 . 9 % ）的秘魯人一周的工作時間超過48小時。
  12. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統，基於經典控制理論設計俯仰通道的pid控制律，根據滾動?偏航通道耦合的特點，分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時，結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中，為了解決不能獲得角速度信號的問題，採用terasaki提出的非最小相位控制器進行控制。
  13. In triangle plane filling between layers, the loop matching operator between layers was adopted, which is that the loops were matched according to their characters, geometry centers and perimeters. four kinds of regular algorithm in filling between layers were analyzed, and the shortest diagonal algorithm, which was rather fit to this dissertation, was adopted in this dissertation. the contour loops of section were grouped and each loop was split to make each loop become a single outer loop that was triangle split with delaunay algorithm

    在層間三角面片填充方面，採用層間輪廓環按環的性質、幾何中心和周長進行匹配的層間匹配演算法;分析了層間三角面片填充的四種常用的演算法，並根據本文需要選用並實現了最小對角線法;端面三角劃分時，將端面的輪廓環進行分組，再對每組環進行切分處理，使得每組環變成一個單一的外環，對單一的外環按delaunay演算法進行三角劃分;將所生成的三角面片按規定的格式寫入stl文件，生成可直接為快速原型製造所接受的stl文件格式。
  14. From the point of view of producer, the model in this paper deals with an inbound material - collection problem. an integrated inventory - transportation system is developed with a modified periodic - review inventory policy and a traveling - salesman component

    生產商庫存配送一體化優化模型主要通過分別求解周期檢查補給倉庫的庫存控制問題和配送問題來求解庫存配送一體化問題，並得到長期平均總成本的最小值。
  15. It was also found that the number of active atoms has relation with the length of border when the growth rate was low, and the number was largest as the length was shortest

    並且發現，在低生長速率情況下，邊界長度與可活動原子數間存在對應的周期性振蕩關系。當邊界長度最小時，可活動原子數為最大;反之，可活動原子數為最小。
  16. For cylinder diameters, besides two point size, actual size and local actual size, the national standard of china also specified computing sizes, which included area diameter, perimeter diameter and volume diameter, and global sizes, which included least square diameter, maximum inscribed diameter and minimum circumscribed diameter

    摘要對于圓柱體的直徑尺寸，除了兩點尺寸、實際尺寸以及局部實際尺寸外，國家標準還將規定計算尺寸（包括面積直徑、周長直徑和體積直徑）與全局尺寸（包括最小二乘直徑、最大內接直徑和最小外接直徑） 。
  17. According to the fact that iris images cannot be compared for their different resolutions, a new method for normalizing iris region into fixed resolution by using minimum inner boundary resolution and minimum radius difference of inner boundary and outer boundary is presented

    摘要針對虹膜區域圖像大小不同，難以實現虹膜的比較問題，提出了根據虹膜最小內邊界周長確定角度解析度和根據虹膜最小內、外邊界半徑差確定徑向解析度的方法，將不同分辨的虹膜圖像轉換為相同解析度的矩形區域。
  18. A cycle - slip detection and correction technique is developed to detect and correct cycle slips in dual - frequency carrier phase, named as least - squares - search method for cycle slips, which can correct almost all cycle slips when data gap is shorter than a few minutes, with the help of the geometry - free phase combination and the pseudorange minus phase linear combination

    提出了一種周跳檢測與修復的新方法，即最小二乘搜索法。綜合應用電離層殘差法、偽距載波組合觀測值法、最小二乘搜索法等方法，可修復失鎖時間長達數分鐘的周跳。
  19. Cleaning production referred to the assumption of precautions in each procedure in the whole life cycle of the products and the organic integration of production techniques, production process and management etc., which could realize optimized enterprise operation and achieve the minimal resource consumption, the best management and the optimal economic growth

    摘要清潔生產即在產品的整個生命周期的各個環節採取「預防」措施，將生產技術、生產過程、經營管理及產品等各方面要素有機結合起來，實施優化運行，實現最小的環境影響、最少的能源使用、最佳的管理模式以及最優化的經濟增長。
  20. When researching the pick - up of image - feature, this paper pick up the parameters of whole structure configuration and put forward a method of rapid polygon approach ; after analyzed the parameter of the whole structure, the thresholds can be found ; 3. when researched sort technology of the network of nerve, a network of nerve named art which can recognize the known disfigurement and unknown disfigurement is designed ; 4

    深入研究缺陷圖像的特徵參數提取技術。本文利用數學結構形態學的方法對缺陷圖像的整體特徵參數進行了提取，並提出了一種快速多邊形逼近演算法?最小周長法；通過對缺陷整體特徵參數的分析，找到了不同缺陷的特徵參數閾值。
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