scarce factors 中文意思是什麼

The fourth is that the study on the enterprise product mix adjustment from the side of theory is scarce and fragmentary, immethodical. according to the existing problems, this thesis tries to take individual enterprise as the object of study and research the tactics and methods of enterprise product mix adjustment, and the models of enterprise product mix adjustment and whose effect factors, and trap enterprise may encounter in the course of enterprise product mix adjusting and tactics to elude them

針對上述存在的這些問題，本論文試圖從微觀層次上以單個企業為研究對象，對企業產品結構調整的具體策略及途徑進行完整系統的探討，並對企業產品結構的模型及其選擇的影響因素，企業在進行產品結構調整過程中可能遇到的陷阱及規避的策略等實際問題進行深入的分析。

Which production factors were abundant and which scarce for the united states ?

對美國來說，哪些是充裕的生產要素而哪些是短缺的生產要素呢？

Although economic and population specialists and scholars both in abroad and at home have made extreme progress on research the question of rural labor since they studied it very long ago, as far as china is concerned, based on the following three aspects, firstly, the national condition of our country determined that the foreign theory such as lewis theory might instruct us but we ca n ' t use these theories without rectification ; secondly, in china, our research about this question prefer the qualitative analysis to the quantitative analysis ; thirdly, the research on the labor utilization and shift in this specific area, that is, in the mountainous rural area which covers 69 % of our mainland and occupies 56 % of population is absolutely scarce in present ? to make up for the three deficiencies, this paper selects the econometrics analysis, uses investigation data and by virtue of tsp software, establishes a model where shift labor is the dependent variable and the citilization ratio, industrial structure, the income gap between city and country, the rural infrastructure construction, the labor ' s aptitude and the population ' s natural growth ratio are the variableso through economic, statistical and econometrical test, the conclusion is attained : the income gap between city and country and the citilization ratio are the two most important fectors which affect the labor ' s utilization and shift in mountainous rural area -, the rural infrastructure construction and the labor ' s aptitude are the two relative important factors which affect the labor ' s utilization and shift in mountainous rural area while the rural industrial structure and the population ' s natural growth ratio are the two least important factors according to this, this paper puts forward several suggestions that the income gap between city and country, citilization ratio, rural education, rural industrial structure and agricultural mechanization should be carefully treated with on studying the question of labor utilization and shift in mountainous rural area. finally, this paper points to several suspending problems about this research in order to get the concern of specialist and scholars

盡管國內外經濟和人口學方面的專家與學者很早就開始了對農村勞動力問題的研究並取得了極大的進展，但是，我國在研究農村勞動力問題時，基於三點：其一，我國國情決定了國外的理論例如劉易斯理論，雖然對研究我國的農村勞動力問題具有指導意義，但卻不能照搬這些理論；其二，從國內看，我國對該問題的研究重視定性分析而定量分析明顯不足；其三，缺乏對我國占國土面積69 、人口56的山區農村這一特殊區域內的勞動力開發利用及轉移的專門性研究。為了彌補這三個缺憾，論文採用經濟計量學的數量分析方法，利用實際調查資料，藉助tsp軟體，建立了以外出勞動力數量為被解釋變量，城市化率、農村產業結構、城鄉收入差距、農村社會基礎設施建設、農村勞動力素質以及人口自然增長率六個變量為解釋變量的模型，通過對該模型進行經濟學、統計學、經濟計量學三個方面的檢驗，得出如下結果：城鄉收入差距和城市化率是影響山區農村勞動力開發利用及轉移的最重要的兩個因素；農村社會基礎設施建設和農村勞動力素質是較為重要的兩個影響因素；而農村產業結構和人口自然增長率相對來說是較不顯著的影響因素。據此，本文提出了在研究山區農村勞動力開發利用及轉移問題時，應慎重對待城鄉收入差距、城市化水平、農村勞動力素質、農村產業結構、農業機械化五個問題。

Because to calculate the shadow prices of the agriculture production factors give the feasible methods to help government use economic lever to effectively dispose the agriculture production factors, so it is significant in theory and in practice. 2. approaches to use the interrelated index to compare the history trends, so we can recognize the situation about the scarce agriculture production factors, to use the principle logical to analyze the supply - demand mechanism of the main agriculture production factors in china, to use stochastic frontier production function and marginal productivity theory to calculate the shadow prices of the production factors, to use drc index to assess international competitive of the china main agriculture products

本文的主要研究方法為：在分析中國主要生產要素的稀缺度變化時，進行同類指標的歷史變化比較研究，從而認識主要農業生產要素稀缺性變化的趨勢與規律；在分析中國主要生產要素的供需機制時，進行相關概念為基礎的理論邏輯分析，建立供需機制決定的理論模型；在測算農業生產要素的價格時，使用邊際生產力理論和隨機前沿生產函數方法；在評價中國主要農產品的國際競爭力時，使用國內資源成本系數方法。

Because of the complicated interaction between piles and soil, research in laterally loaded pile group is scarce. it is urgent to research deeply, and analyze the mechanism of interactional relation between piles and soil reasonably. this issue bases on testing data of single pile and pile group, then discuss the infective factors of pile group under lateral loading, finally lodges a credible, convenient, applied expressions of pile group

特別是對水平受載群樁，由於受力機理復雜，影響因素繁多，這方面研究還很不足，急需進行更加深入、細致的研究，正確分析群樁樁-土作用機理，為工程提供合理、可靠、實用的計算方法。