Owing to the complexity of CIMS' missions,the reliability modeling should adapt the production processes accurately.Conventional reliability model method can not reflect the time dynamic behavior of CIMS,so the multitask reliability model based on generalized stochastic Petri nets is established for a CIMS manufacturing shop with multiple missions and the process times of the machines with exponential distributions.Furthermore,analysis of GSPN model based on behavior expression and moment generating function is presented,then can compute the transfer functions.Finally,the multitask reliability can be easily obtained without the reachability graph of Petri nets,which measure can reflect the operating performance of the whole multitask CIMS more intuitively.

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Wavelet multi-scale analysis is applied to the research on lunar gravity field and the explanation of lunar inner structure. In this paper, the nearside of the Moon with higher quality data is chosen as the test area, and free air gravity data from "Clementine" mission are used as original data to decompose gravity of some specific mare basins. With the results of numerical test, we also explain the hierarchical structure of the Moon, analyze the thickness of mare fillings and the Moho topography under mare basins, and verify the results by comparisons.

本文將小波多尺度分析引入月球重力場的研究，選取測量數(shù)據(jù)質(zhì)量較好的月球近區(qū)作為實驗區(qū)域中文字幕精品无码亚洲aⅴ网站，以"Clementine"探測器獲得的自由空氣重力異常作為原始數(shù)據(jù)對主要月海盆地進行了局部的重力異常分解同性女女做视频免费观看，解釋了月球內(nèi)部基本分層結構，并利用主要月海盆地的實驗結果分析了月海下部質(zhì)量異常以及莫霍面的起伏形態(tài)www.一级毛片，與已有研究成果進行比較證明了方法的適用性及結果的合理性乐播三级黄三区视频免费。

For all his scientific methods of detection, the only way the oilman can actually know for sure that there is oil in the ground is to drill a well.

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The orthopedist starts morely individual difference of pay attention to the face outline, aim at different face a type, gradually order to pursue a point ground to lift to pull and remould each inch face skin, the in common use method transfered Shu from the body fat organization, and the transparent quality was sour to infuse into a method with collagen etc..

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We introduce convex,and in particular semidefinite,optimization methods,duality and complexity theory to shed new light to this relation for the single stock problem, given moments of the prices of the underlying assets,we show that we can find best possible bounds on option prices with general payoff funcations efficiently,either algorithmically(solving a semidefinite optimization problem)or in closed form, conversely,given observable option prices,we provide best possible bounds on moments of the prices of the underlying assets,as well as on the prices of the other options on the same asset by sovling linear optimization problems for options that are affected by multiple stocks either directly(the payoff of the option depends on multiple stocks)or indirectly(we have information on correlations between stock prices),we find on-optimal bounds using convex optimization methods,however,we show that it is NP-hard to find best possible bounds in multiple dimensions,we extend our results to incorporate transactions costs,this paper,in theory and practice can provide a reference to researchers and designers about Chinese financial derivative products,the full text is divided into six chapters as follows: ChapterⅠ:Papers on the background and significance of the subjects on a number of option pricing models as well as their advantages and shortcomings of the model and describes the status of research and writing papers and the main contents of the basic idea.

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The distance between the reactive sensor node and the target node is estimated by using the value of RSSI, since the strength of radiation signal and the square of distance is inversely proportional. We proposed a method to derive the position of the target node based on the theory of radical center. With data from three reactive nodes, the position of target node can be analytically estimated.

我們以訊號強度指標來推估節(jié)點與被追蹤物件的距離，并利用圓之根軸的幾何特性一级特黄免费电影网站，提出一個位置的估算方法在线播放国产精品第一页，可以簡單地利用三個感測節(jié)點所回傳的資訊計算出被追蹤物件的位置，所提出的方法即使在距離值有誤差的情況下性生大片免费观看视频网站一，依然能夠估算出被追蹤物件的唯一位置人人艹五月天。

It is necessary to find a new method for garbage disposal. Compared to existent methods, landfill method of garbage block has its characters, which includes classification throwing, collection and predispose of garbage that make garbage disposal classification; use of reclaimable street collection that make garbage disposal resource; shatter,dehydration and press packing of garbage street collection that make garbage disposal decrease; disinfection and classification stack that attribute to classification administer and supervise of garbage field and make garbage disposal harmlessness; recycle, compost, burning and landfill that make garbage disposal synthesis; exploitation and use of garbage field that make garbage disposal environmental protection.

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In the case of the same sensor number,this method which adopts appropriate array geometry arrangement can improve the resolvability of DOA estimation more obviously than the uniform linear array.

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This study explores the evaluation method of restoration and reutilization of coastal saline-alkaline degraded lands, and it has positive significance to sustainable utilization of coastal saline-alkaline degraded lands.

該研究探索了濱海鹽堿退化地恢復與再利用評價的技術方法玖玖爱网，對濱海鹽堿退化地的可持續(xù)利用有積極意義。