cash tree 中文意思是什麼
cash tree
解釋
經濟林-
The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit
因此，加快退耕還林還草，調整土地利用結構和產業結構，已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題，植被問題以及糧食產量問題為出發點，首先從理論上分析了包絡分析方法在陜北地區退耕還林（草）中運用的可行性，然後結合陜北地區目前的實際情況，綜合分析出影響陜北地區退耕還林（草）的關鍵的七個因素作為輸入指標：水利水保設施投入，農作物投入，經濟林種支出，防護林支出，其它經濟作物，草類支出，畜牧業投入；以退耕還林所要解決的最終問題作為輸出指標： gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后，通過分析求解得出非有效的決策單元，再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整，由此所得的數據對陜北地區的實際投入具有很好的指導意義。 -
But after the safety premium and after - tax cash flow advantage are considered, the explanation of the wealth transferring effect is enhanced. the above research does not consider the restriction of hard call requirement and soft call requirement on call behavior, and the call notice period is only analyzed with experiences. therefore, starting from the pricing model and after considering the restrictions of various convertible bonds contracts, this article proceeds to build a model based on binomial tree, calculate the value of convertible bonds using the numerical method of forward shooting grid and gain the operation principle of optimal call of corporations
上述的研究沒有考慮硬贖回要求和軟贖回要求對贖回行為的限製作用，對贖回通知期的考察也只是採取了一個經驗值來刻畫，因此本文接著從定價模型出發，在綜合考慮了各種可轉換債券合約對贖回行為的限制條款后，構建了一個基於二叉樹模型並應用向前網格射擊的數值方法來求解可轉換債券的價值，並推導出了公司的最優贖回運演算法則。 -
To properly make projects appraisal, staged investments analysis & intangible assets pricing involved in investments under uncertainty, this thesis, based on the real options thinking, sets up the notion models employing the decision - making tree analysis and the mathematical models by relative comparison and cash - flow analysis. cases are also included in the analyzing process. the main results are as the following
本論文以實物期權思想為基礎，針對不確定性投資決策過程中的項目評價、階段性預算分析和無形資產定價三類問題，運用決策樹分析方法構造概念模型，綜合相對比較法和現金流分析構造數學模型，並結合算例進行評價分析，主要取得如下研究結果： 1 -
Trusted third party is introduced into this system to make it capable of tracing e - cash and the withdrawer. currently the divisible e - cash system uses binary tree algorithm or ( n, k ) payment algorithm
現有的可分電子現金系統使用二叉樹演算法或（ n ， k ）支付問題演算法，存在演算法復雜，傳輸數據量大，效率低等問題。
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