頻率分佈 的英文怎麼說
中文拼音 [bīnlǜfēnbù]
頻率分佈
英文
frequency distortion-
Curve b could represent the frequency of the number of days required to sell a real-estate brokerage business.
曲線B可用以描述房屋經紀商出售住宅所需天數的頻率分佈。One way we can compress data is to use a frequency table or a frequency distribution.
壓縮資料的一種有效方法是編制頻率表或頻率分佈。Such classes are separated by "natural breaks" in the frequency distribution or the analogous cumulative curve.
這樣的級可由頻率分佈或類似的累積曲線中的自然斷點劃分開來。A cumulative frequency distribution enables us to see how many observations lie above or below certain values.
累計頻率分佈反映在某個值以下，或在某個值以上有多少個觀察值。A frequency distribution shows the number of observations from the data set that fall into each of the classes.
頻率分佈反映出落入每一組的觀察值個數。Frequency distributions of properties, e. g. size and settling velocity are necessary to the description of sediments.
粒徑和沉速的頻率分佈特性對于描述泥沙都是必需的。Curve a might represent the frequency distribution of the number of days' supply on hand in the perishable grocery business.
曲線A可用以刻畫食品商人手中易霉貨物儲備天數的頻率分佈。Identification and transformation of frequency distributions
頻率分佈的識別和轉換When we measure the kurtosis of a distribution, we are measuring its peakedness.
度量一條頻率分佈曲線的尖削度就是度量其頂部的峰態。Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time
結果表明，冬季示蹤物偏南夏季偏西北的輸送明顯春季擴散影響范圍最小秋季最大。示蹤物從200km200km模式區域輸出的平均時間去除時間明顯分為冬春季和夏秋季兩組，前者較小，平均在20h以下，後者較大，平均約30h 。不同去除時間出現的頻率分佈是非對稱的，在長去除時間一側，出現頻率下降緩慢，顯示污染物有在該區域內長時間滯留的可能。Curve b could represent the frequency of the number of days required to sell a real - estate brokerage business
曲線b可用以描述房屋經紀商出售住宅所需天數的頻率分佈。It can dynamically determine the structure information need to index according to real query loads and opti mization of index. second, to consider the effects of structural information on result relevance ranking, this dissertation proposes a ranking algorithm that consider both the frequency distribution and structural distribution of keywords in the result, and a dynamic element - oriented method to compute the weight of keywords
第二，為考慮xml數據中的結構信息對查詢結果相關度值的影響，本文提出了一種綜合考慮關鍵字頻率分佈特徵和結構分佈特徵的查詢結果相關度演算法，以及一種基於節點的關鍵字權重計演算法，取得了更優的檢索性能。Our research analyzes comprehensively the sand data, such as thickness distribution, velocity distribution, frequency distribution of sand incipience velocity, expatiates the behaviors of these two sand incipiences in wind - blown - sand flow, then our research amends some deficiency of relative researches
本文全面分析了沙粒濃度分佈、速度分佈和沙面上起動沙粒速度參數的頻率分佈等，闡述了兩種沙粒起動方式在風沙流中的不同表現，並對相關研究資料中的不足進行修正。Objective to investigate the frequency of chromosome abnormality in 415 infertile males
摘要目的研究中國人群男性不育患者的染色體異常頻率分佈。A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained
提出了一種匯流時間計算方法，匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式，同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后，將其看作隨機變量，進行統計分析后，得到匯流時間的頻率分佈? giuh 。Particle size weightfrequency distribution
粒度重量頻率分佈The paper decomposes the visitor ' s flow sequence made of different frequencies into the low and high frequencies in the multi - resolution analysis according to the characteristic of visitor ' s flow sequence frequencies and then restores the trend components according to the reconstruct principle of wavelet coefficients, in order to deduce the visitor ' s flow trend
摘要根據旅遊流量的頻率分佈特性，運用小波分析將不同頻率成分組成的時間序列分解成低頻和高頻成分，然後依據小波系數的重構原理還原時間序列的趨勢成分，判斷旅遊流量時間序列的趨勢變化。To detect transient signals under complex background, a novel method of aliasing - free exponential bilinear time - frequency distribution is presented in this paper, which can avoid the frequency aliasing and information loss existing in the traditional bilinear distributions, reduce the cross - terms effectively and possess high time - frequency resolution
摘要針對復雜背景條件下瞬時信號的探測，提出一種新的無混疊雙線性時間頻率分佈方法，該方法能夠避免常用的雙線性時頻分佈中的頻率混疊與信息丟失，有效減小交叉項干擾，而且具有較高的時頻解析度。However the dys393 marker showed a significant difference when our data were compared to samples from shenyang area. three markers showed heterogeneity between populations with a statistically significant difference when our data were compared to white people samples
Fisher 』 s精確檢驗統計一分析一表明， dys390 、山西醫科大學2003年碩十學位論文dy ， 391等位基因頻率分佈與國內不同地區差異不明顯，與自種人有明顯差異。The result corrected by former result was to judge the land to be suitable for cultivation or not. in the end, productivity index threshold under different suitable - levels was determined by analyzing the frequency histograms distribution of 4 productivity index. the result shows that the productivity index criteria of reserved land in beijing is that altitude 800 m, slope 15, soil depth 30 cm and gravel content 15 %
在生產性指標方面，以北京市土地開發復墾潛力調查評價為基礎，運用相關分析、主成分分析確定指標為海拔、坡度、土層厚度和礫石含量；對指標進行聚類，根據聚類結果對原有評價結果進行修正並判定后備土地資源的宜耕性；通過分析多因素綜合作用下四項指標的頻率分佈情況，確定上述四個生產性指標在不同宜耕等級下的閾值。分享友人