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- Jeffrey M Wooldridge,"Econometric Analysis of Cross Section and Panel Data",The MIT press. 古扎拉蒂:計量經(jīng)濟學(xué)基礎(第四版).;中國人民大學(xué)出版社
- Finalise the type of bridge and the form of cross section through comparing and selecting the schemes. 1 通過(guò)方案比選確定橋型和截面形式。
- Wooldridge,J.M.,2002,“Econometric Analysis of Cross Section and Panel Data”,The MIT Press. 吳衛星;齊天翔.;流動(dòng)性、生命周期與投資組合相異性--中國投資者行為調查實(shí)證分析[J]
- Wooldridge, J. M. (1999), Econometric Analysis of Cross Section and Panel Data. 2002, Cambridge,MA: MIT Press. 評論[支持者:0人，反對者:0人，中立者:0人]查看評論信息
- Wooldridge, J.M..Econometric Analysis of Cross Section and Panel Data[M].Cambridge:MIT Press,1999. 根據的相關(guān)數據計算得到.
- The gonad developing to ovarian showed augmentation of size, closing to the middle of coelom and broadening of cross section. 而將要發(fā)育為精巢的性腺則呈兩端尖中間稍突的梭形，增生并不明顯。
- Plastic honeycomb pipes are introduced about their backgrounds, materials, shapes of cross section, types of products and fittings. 介紹塑料多孔管的開(kāi)發(fā)應用背景,所用材料、截面形狀、類(lèi)型、接頭等技術(shù)特征及其優(yōu)點(diǎn)。
- Discusses the calculation method of cross section area of exhaust duct. Proposes calculating storey by storey and then totalling the results. 討論了廚房排風(fēng)道截面積的計算方法,提出應逐層計算風(fēng)道截面積再疊加。
- We are conscious of the alternation of seasons. 我們意識到季節的交替。
- The microstructure and composition of cross section of Ti-Ni two-layered bead was investigated with SEM and EDAX analysis. 研究了Ti-Ni雙層焊點(diǎn)中心和界面的微觀(guān)形貌和成分，結合SEM和EDAX分析，表明在Ti-Ni雙層焊點(diǎn)中，出現了成分均一化現象，而沒(méi)有出現Ti與Ni的分層。
- Determine the bridge type and the form of cross section through scheme comparison, prior to designing the general layout and the main structural dimension. 通過(guò)方案比選確定橋型和截面形式。然后設計橋梁總體布置及結構主要尺寸。
- A new point is put forward that transverse bimoment has different influence on the two kinds of cross section thin-walled beams, and on their St-Venant principle conditions. 2. 同時(shí)對外載等效中經(jīng)常出現的橫向雙力矩這一廣義力進(jìn)行研究，指出它在開(kāi)口和閉口薄壁梁約束扭轉問(wèn)題中和圣維南原理適用條件中分別占有不同的地位。
- ResultsThe sagittal diameter of lumbar intervertebral foramina became sharter from the top to bottom,while the diameter of cross section of relative nerve roots became longer. 結果： 腰段椎間孔的最大前后徑從上到下依次變小，而神經(jīng)根的橫斷面自上而下逐漸增粗。
- A similar effect produced by rapid alternation of two tones. 顫音通過(guò)急速地交替演奏兩種音調而產(chǎn)生的類(lèi)似效果
- These modifications include the chemical alternation of the bases. 這種修飾作用包括堿基的化學(xué)變化。
- There is an alternation of black and white stripes in that cloth. 那匹布黑白條紋相間。
- Renewing thinking of design work,improving layout of drift plane,changing the shape of cross section of the main room floor ,the overall design of central substation of main inhalation dewatering pump room in underground mine can be optimized. 更新設計思路，改進(jìn)巷道平面布置方式，改變主要硐室底板橫截面形狀，可以?xún)?yōu)化地下礦山吸入式主排水泵房和中央變電所整體設計。
- The shape of cross section of gravity dams under basic loads was optimized from an initial quadrilateral region with the stability of dam bodies against sliding and the tensile stress in dam heels taken as restraints. 以四邊形為初始域，以重力壩的穩定和壩踵拉應力為約束條件，對基本荷載作用下的重力壩基本斷面形狀進(jìn)行優(yōu)化。
- The rapid alternation of two tones either a whole or a half tone apart. 顫音兩個(gè)相距一個(gè)音或半個(gè)音的音的迅速交替
