variable time scale 中文意思是什麼
variable time scale
解釋
變速標度-
Part two introduces the theory of panel data. the basic form of panel data is : yi t = it + xi t it + uit, i = 1, 2, …, n ; t = 1, 2, …, t panel data is used for describing the instance of swatch in a collectivity in some time, and observing every unit in swatch multi - scale. basing on the different hypothesis of ui, panel data has fixed effect model and random effect model, if ui is a unit constant ( corresponding to the dummy variable of
基於分析結果，本文給出了改革我國公司治理結構的若干建議: （ 1 ）股權性質方面，培育有效的國家股持股主體; （ 2 ）股權結構方面，逐漸調整股權結構，減少第一大股東持股比例，增加除第一大股東以外的大股東的股權集中度; （ 3 ）董事會方面，採取奇數型董事會規模，並完善獨立董事的生成機制; （ 4 ）激勵制度方面，應加大董事及總經理的持股比例。 -
The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal
為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響，模擬和分析分為以下四個部分:首先，研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題，研究表明，追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性，而對于兩航天器軌道共面的情況下，初始相位角相等時則獲得最佳的機動效果。 -
As an organism of structure and function, the compound ecosystem of basin is not only a multi - layer and multi - variable system also a harmonic time - space system. in such system each factor includes the scale changing, evolvement rate and exchanging pattern of substance elements embodied by structure forms and information elements embodied by function ability. all these factors will affect the comprehensive function of system seriously
3 、分析了流域復合生態系統作為一個結構和功能、時空相協調的耦合系統，系統中各要素，包括體現為結構形態的物質要素和體現為功能性質的信息要素等摘要的規模變化、演變速度、轉化形式都將影響著整個系統的綜合功能。 -
It is necessary to record the linear scale before and after log and the time difference curve in the acoustic variable density log
摘要闡述了聲波變密度測井時對其進行測前、測后線性刻度及記錄時差曲線的必要性。 -
Variable time scale
可變時間標度 -
The " net cash flow from operating activities / net profit ", a cash flow indicator that is emphasized both at home and abroad, was first time to be treated as one of the variables for corporate performance. the listed companies of manufacturing industry were grouped according to their asset scale and industry property. the empirical study of equity structure and corporate performance were carried out through combining the empirical analysis and theoretical analysis and by using stochastic variable intercept paral data mode and sas software package
本文以製造業303家上市公司為總樣本，確定了6個股權結構變量、 7個經營績效變量，並在經營績效變量中，首次引入了國內外尤為關注的現金流量指標? ?盈餘現金保障倍數；將製造業各次類上市公司，按資產規模和行業性質進行劃分，採用實證分析與規范分析相結合的方式，運用計量經濟學建模方法? ?隨機影響變截距平行數據法，應用sas統計軟體，對我國上市公司的股權結構與經營績效進行實證研究。
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