time cross-section 中文意思是什麼
time cross-section
解釋
時間剖面圖-
So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks
結合國際慣例，文章考慮了股票的凈值市價比（ b p ） ，市盈率倒數（ e p ） ，流通規模（ size ） ，流通比例（ stru ）和財務杠桿（ levge ）等五個財務指標，應用描述性統計檢驗和橫截面統計檢驗等多種方法，結果表明，除系數以外，凈值市價比（ b p ）和流通規模（ size ）對證券收益率部有重要的影響。在論文的第三章，提出了一個基於多因素的風險因子模型，並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數（類似於單指數模型中的系數） ，據此，即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。 -
The main research techniques include time series analysis and cross section analysis
採用的主要實證研究方法有：時間序列分析和橫截面分析。 -
The analytical approaches involved in the dissertation includes cross section analysis 、 time series regression 、 step by step regression and contrast analysis, the following technologies also are applied, including computerizing lower partial moments ( lpm ) with matlab, processing revenue data with excel, regression analysis with eviews
主要運用橫截面分析、時間序列回歸、逐步回歸和對比分析方法，還用到matlab編程計算下偏矩風險值， excel處理收益數據， eviews回歸分析。 -
This article is divided into four parts : part one emphasizes the common theory that corporate governance structure figures out the agent problems caused by the separation of ownership and control power, and sets forth correlative research done by domestic and foreign scholars from the relationship between centralization degree of ownership and performance, the relationship between incentive of senior managers and performance, and the relationship between board and performance. and puts forward some deficiencies in domestic research, for example, the select of performance is bald ; most research methods are cross section analysis, there is little research basing on both time serial and cross section datum ; and there is little research have the inside and outside corporate governance factors in the selection of corporate governance structure indexes
描述性分析介紹了我國上市公司治理結構的現狀;通過公司治理變量的線性組合，採用主元分析法來構造反映公司治理水平的指標z ，並由此z指標回歸經營績效指標得出公司經營績效與公司治理的整體效果有相同方向變化的結論;變量之間的相關關系揭示了這些變量之間關系的合理信息;面板數據結果顯示:第一大股東持股比例、國有控股虛擬變量與經營績效負相關;第二至第十大股東股權集中度、董事會持股比例和總經理持股比例與經營績效正相關。 -
The cross section area of the internal sprue of the die casting dies designed should be of proper value, and matches perfectly the fill speed, the fill time and injection pressure in case that the die casting dies fail in the design
設計壓鑄模時應當確定恰當的內澆道截面積，並使之與充填速度、充填時間和壓射比壓保持較好的匹配，以防止壓鑄模設計的失敗。 -
In this paper, the software for the die casting technology parameters design is built based on the optimization of the die casting system matching, and is used for the design of the die casting technology parameters, such as the cross section area of the internal sprue, the fill speed and the fill time etc
文章基於壓鑄系統匹配優化的思想，建立壓鑄工藝設計軟體，使用軟體進行內澆道截面積、充填速度和充填時間等壓鑄工藝參數的設計。 -
The cross - section area of the internal sprue, the fill speed, the fill time and injection pressure are important die casting technology parameters
摘要內澆道截面積、充填速度、充填時間和壓射比壓都是重要的壓鑄工藝參數。 -
In the research realm of the target identify, an important topic is to minish the laser radar cross section of the space target for target stealth. the laser radar probes a target is based on the target under the laser, the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc. to identify a target
在目標識別研究領域有一個重要的課題是減小空間目標的激光雷達散射截面便於目標隱身。激光雷達探測目標是根據目標在激光照射下，激光散射的強度、偏振和相位等的空間和時間分佈特徵來識別目標，目標表面粗糙度是影響目標激光散射特性的重要影響因素。 -
The comparison between the experimental data with numerical simulation show that the model have a higher precision in the lateral scouring and sedimentation deformation, time interval quantity of deposition, and output sediment concentration process during sand peak at various cross section and is applied fairly good to practical engineering
青銅峽水庫的實測資料對模型驗證結果表明：模型在水庫不同斷面橫向沖淤變形、時段淤積量、沙峰期出庫含沙量過程都具有較高的精度，能較好地運用於工程實際。 -
According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not
地下連續墻是一種歷史較短的施工方法，目前，砼防滲墻的設計還是以傳統的設計方法為主，根據查找國內外文獻資料，華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作性能有相似性，將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中；清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數，利用非線性e - b模型，結合黃河小浪底土石壩設計剖面，採用thepd土石壩總應力程序，對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析，並與普通混凝土防滲墻計算結果加以對比，同時分析了不同配比塑性混凝土特性的影響，並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。 -
On the foundation of analysis a quantity of experiments and theory home and abroad, the paper give a calculation formula for the cross - section anti - bending limit load capacity of reinforced concrete beam. at the same time, the paper discusses the establishment of fatigue load chart for the bridge structure and presents its calculation of stress chart
2 、在分析國內外大量試驗研究和理論分析的基礎上，給出了碳纖維布加固鋼筋混凝土梁正截面抗彎極限承載力的計算公式，詳細闡述了等幅疲勞荷載和變幅疲勞荷載下橋梁結構疲勞強度的計算方法。 -
This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar. so the approximation in structural analysis is avoided, and the calculation capacity of equivalent frame method is also developed. this helped the engineers avoid the fem, which consume much time and is difficult to master
本文對板帶寬度變化的板柱結構推導了變截面直桿單元的單元剛度矩陣和等效結點荷載列陣，避免了在結構分析時所作的近似，也擴大了等代框架法的計算范圍，使工程技術人員免於使用佔用機時、難于掌握的有限元分析法。 -
The first part mainly introduces the gis concept and contents of gis, the comparison between the related software and gis, the present condition and development trend of gis etc, then introduced how to use the gis technique in a specific way such as using the method of " the half - automatic to follow " to turn the map into arithmetic figure, using the method of " the automatic calculates " gets the length of the line and area of field etc, at last got the length and width of every cross section of the fabiela river which is located downstream of xiangshan mountain. this method is superior and time - saving comparing with collecting data on the spot, having important and actual application worth
第一部分主要介紹了gis的概念和研究內容， gis與相關軟體的比較以及gis的現狀、發展趨勢、當前gis研究的熱點等等，然後具體介紹了用gis的相關技術如：用「半自動跟蹤」方法對地圖進行數字化，用「自動量算」方法得到線對象的長度、面對象的面積等，最終完成了象山水庫下游法別拉河河道地形數據資料的提取工作，這種方法與人工實地採集工作相比，有較強的優越性和重要的實際應用價值。 -
Electromagnetic scattering ; radar cross section ; stealth technique ; finite - difference time - domain method
電磁散射雷達散射截面隱身技術時域有限差分方法 -
Experiments are conducted in a 5 m long, 60x60 mm cross - section shock tube, liquid drops acted by shock wave undergo deformation, breakup and atomization. based on experiments, the effects of shock velocity and drop diameter on drop breakup time have been discussed
採用ya ? 16高速照相機，詳細研究了液滴在激波作用下變形、剝離、破碎、霧化的全過程，並討論了液滴的破碎模式、激波強度和液滴直徑對液滴破碎時間的影響。 -
First, description of the change of financial component is provided in the paper, which indicates possible earnings management in the researched years. second, evidence of earnings management of listed company is provided as a whole by time - series models and cross - section models
首先，通過對st公司與控制公司會計指標的描述性分析，指出了st公司在被特別處理前後年度以及被特別處理前年度的可能存在的盈餘管理行為，並得出一些初步的假設性結論。 -
( 2 ) the general methods to calculate the temperature field of reinforced concrete structures are summarized. the temperature field of reinforced concrete columns section is calculated in ansys, and the effects of different parameters such as design fires, surfaces exposed to fire, burning time, dimensions of cross section and concrete cover on the temperature field are analyzed
（ 2 ）總結了受火鋼筋混凝土結構溫度場計算的一般方法，並用ansys對鋼筋混凝土柱截面溫度場進行了分析，得到了火災模型、受火面、受火時間、截面尺寸及保護層厚度等因素對柱截面溫度場的影響規律。 -
A time - series linear expenditure system model is introduced for residential electricity demand forecast. and a cross - section expenditure model is used to calculate the income elasticity and price elasticity
並利用擴展線性支出系統的橫截面模型計算電力商品的收入彈性和價格彈性，用於居民用電需求的預測。 -
Chapter three describes the uneven development of regional economy utilizing many time array datum and cross section datum. afterwards, the regional difference of the location of fdi and its affecting factor is analyzed. chapter four chiefly studies the effect of fdi on regional economic growth from two aspects named theoretic analysis and positive analysis
本章利用大量的時間序列和橫斷面數據資料，分別從地區經濟總量、經濟發展水平、發展速度和fdi總量、地區分佈絕對差距和相對差距方面描述了中國引進fdi與區域經濟的不平衡特徵，進而對導致這種區域不均衡分佈的原因進行了剖析。 -
Cross - section imaging measurement simultaneously digitizes both exterior and interior surfaces of a part, a full data geometry model of a part can be constructed. the technique helps to shorten the design - to - manufacture time and reduce the cost of the product
採用層去圖象法測量技術可以同時測量零件的內外輪廓特徵，得到零件的完整數據模型，精度也較高，而且還有助於縮短產品的設計和生產周期，降低生產成本。
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