突變常數 的英文怎麼說

中文拼音 [biànchángshǔ]
突變常數 英文
mutation co tant
  • : Ⅰ動詞1 (猛沖) dash forward; shoot out 2 (高於周圍) protrude; bulgeⅡ副詞(突然) abruptly; sud...
  • : 數副詞(屢次) frequently; repeatedly
  • 突變 : 1 (突然急劇的變化) sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application

    論文在提取一些規測井特徵參的基礎上,採用自適應方法對各量多項式進行優選,減少了特徵參間的相關性,出了類別間的差異性,從而優化了模式的質量,提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的,論文對模糊「最大隸屬原則」進行了研究和改進,並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較,然後對參進行調節的辦法,可將模式「訓練」到最佳狀態。
  2. To quite some degree, we can say that the conflicts of regional economic development process of our country display primarily in two aspects : one is the question of development gap and respect building among regions, the other is an unmoral appearance of economics connection among regions

    摘要通過異系分析和結構相似系的分析,可以在相當的程度上說明,我國目前在區域經濟發展過程中存在的沖主要體現在兩個方面:區域間的發展差距問題和重復建設與區域間經濟聯系的不正現象。
  3. As one of the substantial principles of legality in the contemporary law of obligation, the principle of change of circumstances adapts law to the variety of the social economy, coordinates the conflict of interests among parties and maintains the regular order of the economic circulation, therefore, this principle has been confirmed in the judicial precedents doctrines and legislation in most countries ruled by law. the principle of change of circumstances is inevitable in reality, though it has not been established in our current contract law

    情事更原則是當代債法最重要的法律原則之一,它使法律能夠適應社會經濟情況的化,更好地協調當事人之間的利益沖,維護了經濟流轉的正秩序,因此已經被大多先進法治國家的判例、學說與立法所確認。我國新《合同法》雖最終沒有確立情事更原則,但是情事更在現實生活中卻是難以避免的。
  4. In view of the limitation of the traditional inversion theory and method of the gravity and magnetic field, professional an yulin, etc, worked in china university of geoscience, has come into being the theory system of the all - direction imagery for local gravity and magnetic sources after having researched a few years. the theory system broke through the thinking method of traditional theory system, researched all - direction imagery of the 2d local gravity and magnetic sources by means of complex function theory and researched all - direction imagery of the 3d local gravity and magnetic sources by means of spherical harmonic analysis theory, developed greatly the interpretation theory on the gravity and magnetic field

    該理論體系破了傳統的重、磁場解釋理論體系的思維方式,採用復理論研究二維局部重磁場源全方位成像,採用球諧分析理論研究三維局部重磁場源全方位成像,大大發展了重磁學科解釋理論,可以在起伏地形、有背景疊加和高頻干擾等復雜條件下,直接反演加疊代修改,求解分佈在有限范圍內的二維和三維重磁場源異場的多種反演問題。
  5. The software realize the exceptional messages extract of gas concentration data, and display abnormal symptom of gas concentration change trend and scope by real - time graphics before gas outburst, can reflect the forepart signal of the gas outburst, give a significant guide for reduce the loss and ensure safe production of coal mine

    利用軟體實現了葉瓦斯濃度據中異信息的提取,並通過圖形形式實時顯示出前夕瓦斯濃度化趨勢、幅度等異徵兆,可直觀、明了地反映出早期信號,對防治出,減少事故,確保煤礦安全生產有重要的指導意義。
  6. The number and scope of congressional committees can change, particularly when political control of the chamber changes parties and when the jurisdiction of committees overlaps, as is often the case

    國會委員會的量和活動范圍可以改,特別在議院政治控制改了政黨及委員會管轄權沖的情形下,而這是有的事。
  7. Based on sand - storm ' s occurrence times data in ningxia, arctic sea - ice area index data, height and wind fields data of ncar / ncar reanalysis, the basic variable rules and anomalous air circulation background fields of spring sand - storm ' s occurrence times in ningxia are systematically analyzed. more attention was paid on studying the tele - connections between arctic sea - ice areas and spring sand - storm ' s occurrence times in ningxia, and impossible affecting process of greenland sea - ice areas " anomalies on sand - storm ' s occurrence times. the results are as follows : 1

    本文根據寧夏沙塵暴發生次資料、北極海冰密集度資料和ncar / ncep再分析資料,較系統地分析了寧夏春季沙塵暴發生次的基本化規律及其異的大氣環流背景場,重點研究了北極海冰與寧夏春季沙塵暴發生次之間的遙相關關系以及格陵蘭海冰異化對沙塵暴的可能影響途徑,結果表明: 1 、夏春季沙塵暴發生次在1960 - 2000年有明顯的年代際和年際化特點,總體呈減少趨勢,且在1984年發生了明顯的,有10年和7年左右的周期。
  8. Red tide occurs randomly, with short duration and large incidence. airborne hyperspectral remote sensing technique can play an important role in red tide ' s monitoring. and the precondition is to acquire in situ spectral data of red tide, to grasp red tide ' s spectral characteristics by data processing and analysis and to set up spectral library of different dominant species of red tide

    赤潮是海水中的浮游生物在一定條件下過度繁殖或聚集致使海水色的一種生態異現象,因其具有隨機性、發性、持續時間短、影響范圍大等特點,客觀上要求利用航空高光譜遙感技術對其進行監測;但首要的前提與基礎性工作是大量獲取赤潮水體的現場光譜據,通過處理與分析,掌握其光譜特性,不斷充實赤潮優勢種類的光譜據庫。
  9. The research showed that : from january to march, the acreage average ozone gross gathered, which was synchronized with the increase of the frequency of strong ssw event. furthermore, the change tendency of ozone gross in the atmosphere break forward and backward 1990. after the1990s, ozone gross in the atmosphere appeared negative anomaly in the mid and high latitude of north hemisphere from january to march, which was consistent with the obvious descent of appearance frequency of strong ssw event after the 1990s

    分析表明: 1至3月,臭氧總量的面積平均逐漸增高,這與強ssw事件頻1至3月增高同步;此外,大氣臭氧總量趨勢化以1990年前後存在明顯的, 90年代以後,北半球中高緯1 ? 3月間大氣臭氧總量處于負異階段,這和90年代以來強ssw事件發生頻明顯下降相吻合。
  10. The necessary and sufficient conditions of uniqueness, recurrent, ergodicity, exponential ergodicity, strong ergodicity, stochastically monotone, feller and symmetric properties - in - for the processes are presented. chapter 3 is devoted to studying an extended birth - death q - matrix with catastrophes and instantaneous state. we are able to give easy - checking existence criteria for such processes

    第二章討論具有率的廣義生滅全穩定q -矩陣,圓滿地獲得了q -矩陣零流出、零流入以及q過程的唯一性、返性、遍歷性、指遍歷性、強遍歷性、隨機單調性、 feller性、配稱性等充分必要條件。
  11. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中然出現的時電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非有益
  12. In the regions of the east plain, the geological conditions of the surface vary little, so the effective reflected waves in the original seismic data are relatively stable, the static correction problem and all kinds of disturbance are not much obvious and the signal - to - noise ratio ( snr ) is relatively higher

    在東部平原地區,由於地表地質條件化不大,原始地震資料中有效反射波相對穩定,靜校正問題及各類干擾不十分出,信噪比相對較高,在規處理中都已形成了一套相對穩定的地震據處理流程。
  13. Summer precipitation in northeast china ranging from 1960a to 2000a and ncep reanalysis data is applied to study the temporal and spatial features of summer rainfall and extreme precipitation in northeast china. the results show : 1 summer rainfall in northeast china exhibits upward trend with the cycle variation of 14 years and 2 to 4 years. two abrupt changes occurs in summer rainfall with its happening time on 1964 and 1988 / 89

    利用東北地區99個測站的1960 ? 2000年夏季逐日降水資料,以及ncep再分析資料,採用旋轉經驗正交函、 morlet小波分析、合成分析等方法分析了東北地區夏季降水的演特徵和降水異的環流背景,得出主要結論如下: 1東北地區夏季降水存在著減少趨勢,並且有14年和2 4年的周期存在,降水發生過兩次現象,分別發生在1964年和1984 85年之間。
  14. Based on 1960 - 2000 daily temperature data of 99stations in northeast china and ncep reanalysis data, the spring temperature in northeast china is analyzed, and the results indicate : 1 the spring temperature in northeast china presents upward tendency and the cycle periods of 14 years and 4 to 6 years. meanwhile abrupt change is significant between the year of 1984 and 1985

    利用東北地區99個測站的1960 ? 2000年春季逐日平均氣溫資料,以及ncep再分析資料,採用旋轉經驗正交函、 morlet小波分析、合成分析方法研究了東北地區和各不同區域春季氣溫的時空分佈、年際和年代際化特徵、春季氣溫異以及低溫過程的環流特徵,並得出主要結論如下: 1 、東北地區春季氣溫存在著上升趨勢,並且有14年和4 6年的周期存在,東北地區春季氣溫存在現象,出現的時間在1984 1985年間。
  15. In the measurement of the high density resistivity method, there is often some false data in the data section because of the influence of poor earth contact of electrodes and other interference factors etc., which can cause false abnormality of data section and make data interpretation difficult

    摘要針對在高密度電阻率法測量過程中,據斷面易出現點,而造成電阻率擬斷面圖虛假異,難以準確解釋的情況提出了一種快速、高效的剔除點的方法。
  16. 2. reject the conventional synthetic evaluation method and use five new type methods such as fuzzy theory, gray relation analysis, dba, catastrophe theory and bp networks to establish the evaluation models, then go on the demonstration research taking the stocks of listed company in qingdao as an example

    (二)摒棄傳統的規綜合評價方法,採用模糊學、灰色系統理論、 dea 、論、神經網路五種新型方法,建立股票價值評價模型,並以青島地區上市公司的股票為例,進行實證研究。
  17. Using public databases of dna sequences, they found that people who speak non - tonal languages commonly have mutated versions of two different genes

    利用dna序列的公共據庫,他們發現說非聲調語言的人通有兩種不同基因的形式。
  18. In most affected individuals, cgg repeats are massively expanded over 200 repeats ( full mutation ) and become abnormally h ypermethylated, w hich r esult i n t he s ilence o f t he fmr1 gene

    患者cgg重復次可達n 200 ,其fmr1基因的cgg重復區域本身及其附近的cpg島發生異甲基化,引起基因關閉,而fmr1基因產物fmrp的缺乏,導致脆性x綜合征。
  19. At the same time, the number of driver mutations was larger than previously anticipated and, interestingly, most of the genes with driver mutations were not previously thought to be involved in tumorigenesis, indicating that more cancer genes exist than just the usual suspects

    同時,驅動目大大超過先前預期的,有趣地是,大多帶有驅動的基因在先前被認為是沒有在腫瘤發生中起作用,暗示存在更多的癌癥基因,遠不止一般認為的
  20. Based on the observation of real network traffic data, we introduce the lasting factor and abrupt factor in the definition of burst in order to better characterize the burst in the real application

    基於對真實網路流量據的觀察,在發異的定義中引入持續性因子及性因子,以更好地描述其在真實應用環境中的特徵。
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