A regression equation's coefficient of determination, r2, tells the percentage of variation in the cost that is explained by changes in the cost driver.

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The cost engineer is the fresh combatant of Chinese project cost management.

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If the health index is combined with satisfactory measurements of cost it should be possible to apply cost-benefit analysis to health.

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Third, air cargo markets with Open Sky Agreements have lower unit cost but higher market concentration, and these agreements have negative dynamic effect on combined index of unit cost and market concentration.

第三欧美性XXXXX精品，航空貨運(yùn)市場的開放天空協(xié)定降低單位成本，但市場集中度較高456精品视频，和這些協(xié)議產(chǎn)生負(fù)面影響的動態(tài)綜合指數(shù)的單位成本和市場集中度99riav2.com。

Methods of measuring the input components, their prices and output elements are given. We put forward some new methods in measuring components, including composite depreciation rate, equality working hours, and proxy of input resources. Using the mature methods of efficiency measurement and decomposition available, we make a detailed investigation into 4 listing companies of oil industry with a span of 12 periods. Basic conclusions we draw include: labor inputs affects oil field output mostly in China; China oil fields operates in a low technical efficiency level average of 0.61; Increasing difficulties with expanding output has the greatest influence on cost; Cost efficiency of China oil fields averages at 1.47; Total factor productivity of China oil fields averages at 10%, accounting for 79% of the total output growth rate of 12.6%; Frontier technology progress contributes the most to TFP of China oil fields with 17 percentage points.

本文沿用了已有文獻(xiàn)中關(guān)于效率計(jì)量與分解的成熟方法，對我國三家油田上市公司與一家上市石油公司12個(gè)時(shí)期的技術(shù)效率與成本效率進(jìn)行了詳細(xì)的計(jì)量我要看操逼A片、分解與分析黄片视频免费在线观看，得到的基本結(jié)論有：勞動力投入是影響我國油田上市公司產(chǎn)出的最重要的影響因素；油田的平均技術(shù)效率僅為0.61一级美女操逼视频；產(chǎn)出項(xiàng)是影響成本的顯著因素日韩美欧自拍视频播放网站在线播放，這說明隨著產(chǎn)出增加而出現(xiàn)的開采難度增加是導(dǎo)致開采成本增加的重要因素；油田的平均成本效率為1.47；全要素生產(chǎn)率的增長平均在10％左右国产在线观看福利，占到了產(chǎn)出平均增長率12.6％的79％www啦啦啦，表明我國油田的生產(chǎn)率的提高主要是依靠全要素生產(chǎn)率的提高而實(shí)現(xiàn)的，只有21％左右的產(chǎn)出增長是依靠要素投入而實(shí)現(xiàn)的黄色成年人亚洲；前沿技術(shù)進(jìn)步是油田全要素生產(chǎn)率增長的主要源泉欧美日韩啊啊啊爽性爱激情，在2001～2004年期間，前沿技術(shù)進(jìn)步對油田生產(chǎn)率的貢獻(xiàn)高達(dá)17個(gè)百分點(diǎn)婷婷操操b。

Descriptions based onSDCM care only behavior and results of the object, however, its realization detail andrelated cost are ignored. However, cost is one of the most important aspects whenimaplementing a system, which may even determine its computability.

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In reality, the unit cost decreases as the amount transported increases, resulting in a concave cost function.

在實(shí)務(wù)上，貨物運(yùn)送的單位成本常隨數(shù)量的增加而遞減网站日韩在线，成本函數(shù)曲線為凹形国产永久精品91在线。

With the development of the society and economy, the great changes of operating environment take place inside and outside of enterprise .on one hand, the science and technology develop and use widely, which the cost structure of product has substantive change ,so the conditional distribution of expense does not provide the exact cost information even distort it which lead to make false decisions .

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It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the FIR filter apporaches the contrary point spread function more, and that the estimated image is closer to the original one.

從代價(jià)函數(shù)的梯度入手推導(dǎo)出共軛梯度算法，其搜索方向保持不變而搜索步長變小性插20分钟免费视频，使濾波系數(shù)更加逼近于點(diǎn)擴(kuò)展函數(shù)逆算子爆乳美女粉泬10p福利视频，從而使估計(jì)圖像與原始圖像更加接近。

Cost management is an essential constituent of the modernization of company management, however,the present management and operation of our companys is extremely in disequilibrium, and the aspect of cost management is particularly weak.

成本管理是企業(yè)現(xiàn)代化管理的一個(gè)重要組成部分日韩片无码观看网站免费，而目前我國生產(chǎn)經(jīng)營管理的發(fā)展極不平衡久久这里只精品免费，尤其是在成本管理方面較為薄弱。