概差 的英文怎麼說
中文拼音 [gàichā]
概差
英文
probable deviation-
I suppose a quarter of a million would be acceptable.
我想二十五萬元大概差不多吧！And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。The second part summarizes the service quality of customer aesthesia. the part recommends the definition of the service quality of customer aesthesia, the composition, and recommends the framework of disparity, the influent factors and the method of appraising
第二部分是顧客感知服務質量概述，本文先從顧客感知服務質量的定義談起，然後介紹了顧客感知服務質量的構成、差距模型分析、顧客感知服務質量的影響因素及評價方法。Firstly human ' s auditory system structure and auditory characteristics are introduced in this paper, and then, some concepts such as intramural time differences ( itd ), intramural intensity differences ( iid ) and head - related transfer function ( hrtf ) are adopted to implement auditory localization. later the constructions of transaural audio localization are proposed based on the hrtf
因此，本文首先介紹了人類的聽覺系統結構和聽覺特性，接著分析了優先效應、耳廓效應等因素對音頻定位的影響，闡明了人類進行音頻定位所必需的耳間時間差，耳間強度差以及頭部關聯傳遞函數的概念。Taxus chinensis vsr. mairei population is very oblivious from seeding stage to mature tree stage. the patterns were consistant with the ecological and biological characteristics of form. taxus chinensis var. mairei which were valuable and rare and in severe danger. in this paper, logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form. taxus chinensis var. mairei population
南方紅豆杉幼苗表現為較強的聚集分佈，除與種子的散布有關外，生境條件的差異是重要原因之? ，其它發育階段表現為明顯的隨機分佈，表明它在自然群落中分佈的概率很小，反映了南方紅豆杉珍稀瀕危的生態生物學特性和特徵。It stood on an eminence in a rather line old park of oak trees, but alas, one could see in the near distance the chimney of tevershall pit, with its clouds of steam and smoke, and on the damp, hazy distance of the hill the raw straggle of tevershall village, a village which began almost at the park gates, and trailed in utter hopeless ugliness for a long and gruesome mile : houses, rows of wretched, small, begrimed, brick houses, with black slate roofs for lids, sharp angles and wilful, blank dreariness
可惜得很，從這兒看見附近煤礦場的煙霧成雲的煙囪，和遠處濕霧朦朧中的小山上的達娃斯哈村落，這村落差不多挨著園門開始，極其丑惡地蔓延一里之長，一行行的寒酸肌臟的磚墻小屋，黑石板的屋頂，尖銳的屋角，帶著無限悲他的氣概。Tolerancing of bevel gears ; basic concepts
傘齒輪嚙合公差.第1部分:基本概念The information based on bibliographical sources has not been included in the synoptic table because they were too heterogeneous.
依靠文獻來源而得到的信息未列入這個概要性的表格，因為它們太參差不齊了。The first chapter explores the basic theory of agency law both in continental law and common law family and as well as internatinal commercial agency and the chinese foreign trade agency
第一章闡述代理和國際商事代理，分析比較兩大法系在代理概念和理論基礎上的差異，並結合中國實際，對代理及外貿代理的法律性質作出界定。We present existence theorem for pseudo almost periodic solutions with piecewise constant argument by means of unique decomposite character and for pseudo almost periodic sequence solutions of relevent difference equations
摘要利用偽概周期函數唯一分解性質，研究相關差分方程的偽概周期序列解，並以此為工具得出一類帶逐段常變量微分方程偽概周期解的存在唯一性。These differences are probably genetic.
這些差別大概是遺傳上的差別。The excimer laser diopter correction and aberration correction have been proved efficiency and safety. based on cad / cam, applied optics, ophthalmology, biomedicine and computer techonlogy, this paper studied the principle of excimer laser aberration correction. the conception, cause of formation and representation of wavefront aberration are introduced
準分子激光治療屈光不正及消除像差的有效性和安全性已被證實，本學位論文將cad 、眼科視光學、波前像差技術、生物醫學技術與計算機技術等多學科理論交叉結合，系統敘述了人眼波前像差理論，包括波前像差概念、表示方法、測量方法和產生的原因等。English, french, spanish, portugese, georges, and louises, doubloons and double guineas and moindores and sequins, the pictures of all the kings of europe for the last hundred years, strange oriental pieces stamped with what looked like wisps of string or bits of spider s web, round pieces and square pieces, and pieces bored through the middle, as if to wear them round your neck - nearly every variety of money in the world must, i thin, have found a place in that collection ; and for number, i am sure they were like autumn leaves, so that my back ached with stooping and my fingers with sorting them out
其中有英國的金基尼雙基尼，法國的金路易，西班牙的杜布，葡萄牙的姆瓦多，威尼斯的塞肯，有最近一百年歐洲各國君主的頭像，有古怪的東方貨幣，上面像是縷縷細繩張張蛛網有圓的有方的，有中間帶孔的，好像可以串起來掛在脖子上。我估計差不多世界上每一種貨幣都被搜羅全了。至於數量，我相信大概跟秋天的落葉一樣多，我總是彎著腰，手不斷地整理著，一天下來弄得疲憊不堪。The empoison of this courseware changed the situation of the traditional teaching model in which the teacher draw the picture on the blackboard and it is so difficult to image the three - dimension space that the students ca n ' t understand the relevant knowledge in space analytic geometry
本課件的開發改變了傳統教學中，學生空間想象力差難以接受相關知識以及教師在黑板上畫圖，難以建立空間概念等困難的現狀。This set was released at the same time as caesar ' s roman legionary, which is dated to the first century, so we shall assume a similar date for this set
這盒兵人和凱撒那盒時期定義在公元1世紀的羅馬軍團同時放出，所以我們可以猜想這盒兵人的時期大概和凱撒的羅馬軍團差不多。Abstract : the development of lox lh2 rocket engine in the world is reviewed, and the current situation and differences of the engines in china are analysed
文摘:回顧了各國氫氧發動機的發展概況，對我國的現狀和差距作了比較。The basic concept of terrain information content is proposed after an overall review of existing research achievement. applying a series of analysis and data processing method, like math - analysis, mathematical statistics, comparative, error visualizing, this paper carefully investigated the terrain information content characteristic of dems of 1 : 50000 map scale of loess plateau area
本文在對前人已有研究成果進行系統總結的基礎上，首先明確了dem地形信息容量的基本概念，並運用數學分析、數理統計、比較分析、誤差地圖等方法，以海拔高程與等高線為研究對象，以1 ： 1萬比例尺dem為參考真值，探討了黃土丘陵溝壑區1 ： 5萬dem的地形信息容量特徵。The robust serial position effects were founded in the free recall experiment and in the continuous distractor paradigm with chinese character. but in the 30s distractor experiment paradigm, the primacy effect still exited, the recency effect disappeared. and the contextual - retrieval hypothesis failed to explain this phenomenon. according to the contextual cue and memory trace, it is applied successfully that the associative memory and absolute memory to the primacy effect and the recency effect respectively
以漢字為材料，在即時回憶實驗中表現出明顯的系列位置效應;在30s延遲實驗中，表現出明顯的首因效應，但近因效應消失在連續分心實驗範式中證明長時記憶中存在明顯的系列位置效應。說明現有理論存在的問題，並提出聯想記憶和絕對記憶的概念，成功地解釋首因效應和近因效應性質之差異。Abstract : events contributing to the establishment of statistics the science of data and its chemical branch are epitomized. as the new chemical branch named chemometrics or chemstatistics has been disputed in the circles of chemistry for a long time, reasons for adopting chemstatistics are given, which is defined as the science of gathering or generating, describing, summarizing and interpreting the data concerned to acquire new chemical knowledge or information. the fact that many traditional statistical methods, such as significance tests, analysis of variance, regression and correlation, and some others not usually considered statistical, such as model building, monte carlo method, fourier transformation, artificial nerval networks and pattern recognition, each contains one or more of the five connotations of statistics is expounded. the regular pattern that a chemstatistician grows up is approached. the urgent task is to include chemstatistics in the undergraduate or graduate curriculum of chemistry specialty. the goal of the project is to nurture chemists who know statistics
文摘:本文追溯了統計學發展、建立中的大事，陳述了它的定義及其化學分支發展、建立的梗概；鑒于化學界對該新興化學分支學科的名稱長期存在爭議，提出了以化學統計學而不以化學計量學為該學科名稱的理由，把化學統計學定義為一個研究有關數據的收集或產生、描述、分析、綜合和解釋，以獲得新化學知識或信息的學科；闡明了許多公認屬于統計學的方法，如顯著性檢驗、方差分析、回歸和相關，以及一些尚未認定屬于統計學的方法，如模型建立、蒙特卡羅方法、傅立葉變換和人工神經網路，都含有統計學5個內涵中的一個或多個；探討了化學統計學家成長的模式，認為當務之急是把化學統計學納入化學專業的教學計劃，以培養懂統計學的化學家。This article summarizes both positions and concludes that while the bipolar model continues to present useful insights, a more nuanced understanding of racial inequality is achieved when the bipolar approach is replaced by one that comprehends the multiple and even contradictory nature of racial disadvantage and racial inequality in contemporary societies
本文概述了這兩種研究方法的地位，並認為，盡管雙極模型繼續顯示出有用的見識，但是，當用另一種方法取代雙極模型時，就可以對種族不平等做更為差別細微的理解，此種方法就是要把多元化包含在其中，而且，把當代社會中種族劣勢與種族不平等那更加矛盾的性質也包含在其中。分享友人