The co-Kriging method considering the altitude influences is applied to get the rainfall in grid elements. The vegetal cover and landuse conditions in regions of interest are acquired from remote sensing data. The function relationship between the maximum of soil moisture deficiency and topography index is given. The flow concentration paths of net rainfall in every grid element are gotten from DEM, which solve the problems of rainfall input and parameters grided.

利用考慮高程影響的協(xié)克里金方法確定單元網(wǎng)格時(shí)段降雨量；利用遙感資料獲取研究區(qū)域內(nèi)的植被覆蓋情況久久激情日韩精品视频、土地利用分布情況等欧美自拍另类欧美综；建立了最大缺水量同地形指數(shù)之間的函數(shù)關(guān)系，基于數(shù)字高程模型確定單元網(wǎng)格中凈雨的匯流路徑18禁成年无码免费网站下载，從而解決了模型產(chǎn)匯流計(jì)算過程中的降雨輸入和參數(shù)網(wǎng)格化問題最新精品在线。

The third part is the judge method and its improvement method of a piece matrix is a diagonally dominant matrix: By using the Schur repair property of matrices, gives the sufficient and necessary conditions to judge a piece matrix be a diagonally dominant matrix.

第三部分為分塊廣義嚴(yán)格對(duì)角占優(yōu)矩陣的判定方法及其改進(jìn)：利用矩陣Schur補(bǔ)的性質(zhì)，給出判定分塊廣義嚴(yán)格對(duì)角占優(yōu)矩陣的充要條件69亚洲精品无码专区在线，并利用逐次降階的方法亚洲欧美一区二区在线啊，使一個(gè)任意階矩陣A逐次降為只需要利用定義判定一個(gè)矩陣是否滿足要求，從而判定A是否是廣義嚴(yán)格對(duì)角占優(yōu)矩陣久久久久夜色精品国产老牛。

In arriving at the values in the appendix below, the Conference of the Parties was guided by the application of an 85 per cent discount factor to account for the removals identified in paragraph 1 of decision -/CMP.1 ("Land use, land use change and forestry") and a 3 per cent cap on forest management, using a combination of data provided by Parties and by the Food and Agriculture Organization of the United Nations.

在計(jì)算以下附錄的數(shù)值時(shí)十八岁以下禁止观看的网站，締約方會(huì)議所遵循的做法是，對(duì)第-/CMP.1號(hào)決定(土地利用久久资源综合、土地利用的變化和林業(yè))第1段分段所述的清除量的核算亚洲AⅤ色福利天堂在线观看，采用85%的折扣系數(shù)，對(duì)森林管理采用3%的上限黄色视频天免费看一一丝袜，結(jié)合利用了締約方以及聯(lián)合國糧食及農(nóng)業(yè)組織提供的數(shù)據(jù)。

Based on the economic theory, the article points out the crux of environmental problem of resources exploitation is external diseconomy .

本文運(yùn)用經(jīng)濟(jì)學(xué)理論99伦乱视频，通過對(duì)資源開發(fā)利用地區(qū)環(huán)境容量和資源開發(fā)利用經(jīng)濟(jì)行為的分析，指出資源開發(fā)利用環(huán)境問題的實(shí)質(zhì)是外部不經(jīng)濟(jì)性手机一级在线视频。

The important reason for ecological degradation in northern farming-pastoral ecotone is unreasonable and too intensive utilization of field water.

不合理的土地利用方式與利用強(qiáng)度導(dǎo)致農(nóng)業(yè)用水不合理是造成北方農(nóng)牧交錯(cuò)帶生態(tài)退化的重要原因性欧美精品久久久久，適度開發(fā)利用農(nóng)田水分是當(dāng)前發(fā)展農(nóng)業(yè)生產(chǎn)和重建生態(tài)系統(tǒng)的關(guān)鍵视频欧美日韩。

The vapour and plasma ignition times of the target are got based on the equation of heat conduction and cascade model. We suppose that the plasma is ignited when 210 generations of new electrons are born in vapour generation time. The influence of temperature on the thermodynamics and optics parameters of material also have been considered in the model. The resulting theory has good agreement with the experiment and overseas report. A blade method to measure the laser spot is given in this paper with validation and error analysis. The plasma threshold of metals in atmosphere and water ambients both are diagnosed with the light deflection and piezoelectric transducer. A Q-switched pulsed Nd:YAG laser operating at infrared (1064nm), visible(532nm) and ultraviolet (355nm) wavelengths has been used. Al中文字幕在线观看视频2020、Fe、Cu are used as targets and get a similar results with both method. Theoretical and experimental analyses are applied on the influence of wavelength on the threshold have been done, both of which have shown that the plasma threshold of metals decrease as the laser wavelength increases; The plasma threshold of metals are higher in water than in air and the pressure of the shock wave in water is five times higher than in air.

從熱傳導(dǎo)方程和雪崩電離機(jī)制出發(fā)亚洲天码中字一区日本，假設(shè)當(dāng)電子增值2~(10)倍時(shí)91亚色，考慮了溫度對(duì)材料熱力學(xué)和光學(xué)參數(shù)的影響時(shí)，得到了氣化和等離子體點(diǎn)燃的時(shí)間欧美性爱网页，利用該模型進(jìn)行計(jì)算得到的結(jié)果與國內(nèi)外報(bào)道及自行通過實(shí)驗(yàn)測(cè)得的閾值基本一致另类亚洲欧美一区在线二区99；提出了利用刀刃法測(cè)量激光光斑面積的方法，并通過實(shí)驗(yàn)進(jìn)行了驗(yàn)證和誤差分析天天操狠狠干；利用光偏轉(zhuǎn)裝置和壓電換能器分別對(duì)空氣和水中金屬等離子體點(diǎn)燃閾值進(jìn)行了實(shí)驗(yàn)診斷，激光器均為調(diào)Q—YAG激光器(波長1064nm欧美人妻一级A片，532nm，355nm玖玖视频免费，脈寬10ns)欧美一区永久视频免费观看，靶材分別為Al、Fe和Cu日韩在线无卡视频精品免费播放网站，兩種測(cè)試方法得到的等離子體點(diǎn)燃閾值基本一致欧美一级做片性视频；本文從實(shí)驗(yàn)和理論計(jì)算兩個(gè)方面討論了波長對(duì)等離子體點(diǎn)燃閾值的影響，均得到了等離子體點(diǎn)燃閾值隨著波長的增加而減小的結(jié)論中文在线天堂网www官网；對(duì)空氣中和水中不同環(huán)境下金屬等離子體的點(diǎn)燃閾值進(jìn)行了比較研究欧美日韩在在线视频，得到了金屬在水中的等離子體點(diǎn)燃閾值比空氣中的大，且水中產(chǎn)生的沖擊波的壓強(qiáng)是空氣中的5倍左右的結(jié)論加勒比在线精品观看。

The results indicated that comparing with Suzhou's economic state, the city's land use efficiency has a large space to be improved and its ecological environment quality index is rather low and has a worsening tendency, which should be paid on enough attention. The problem of social equitableness of land use is striking in Suzhou City. It is an important issue to adjust the conflicts between land use and society justice in the process of rapid urbanization.

研究結(jié)果表明：與其經(jīng)濟(jì)發(fā)展水平相比天天插天天碰，蘇州市的土地利用效益還有待提高；除吳江市6080无码吃奶在线观看视频，蘇州市其他地區(qū)的生態(tài)環(huán)境指數(shù)均較低且有著惡化的趨勢(shì)有99个黄色视频的黄色网站，應(yīng)得到足夠的重視；蘇州市土地利用的社會(huì)公平問題比較突出日本视频网址，如何協(xié)調(diào)土地利用與社會(huì)公平之間的沖突阿v免费在线，是快速城市化進(jìn)程中急待解決的重要課題。

The conclusions are : the estimative method of intensive use potential of urban parcel is simple, convenient, practical and scientific, and is the embodied application of different land use function area potential appraisement in urban area.

基本結(jié)論是：城市建成區(qū)宗地集約利用潛力評(píng)價(jià)模型影音先锋AV网站你懂得，簡(jiǎn)便a片网址免费观看、實(shí)用、科學(xué)天天综合亚洲色在线麻豆精品，是不同用地功能區(qū)集約利用潛力評(píng)價(jià)的具體化日本AAA网站；可作為城市規(guī)劃、盤活存量土地在线免费观看毛片网站、提高城市土地利用效率等的主要技術(shù)支持日韩午夜在线高清成人影片观看免费。

Learning and studying the advanced technologies and experiences of eucalypt wood utilization from other countries, the utilization level of eucalypt plantation in China will be promoted in the near future.

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Expansivity, contraction, rebirth and vanishment events for management of land use data. And it further designed an object-superposition data updating model based on the land use feature of point, line and polygon,which would take the advantage of the GIS overlay function to effectly implement of updating spatial and attribute data .

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