This is my last OpenGL for a project to use the "three-dimensional vector space / point" and related functions, they can use a definition of space vector / points, for the vector translation, zooming and rotation, the use of correlation function can also achieve two vector by the fork, get a Vectors absolute length of a vector unit, received a 3:00 decision vector perpendicular to the plane, a space to be the distance between two points, two vector to be the plot points, to be the angle between two vectors, such as operating for the use of user-friendly, each function is detailed Notes, it is particularly important if the calculation vector plot points, fork also took note, we hope to have useful.

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In this paper, as a case of Karamay, we have studied on space-time changement of soil quality in oasis of arid area. We measured quality for different land use types and years in same type by combinativing field sampling for Karamay in Xinjiang and analysis in laboratory, which is directed by former theory of soil quality. Then we did integrated evaluation of soil quality for different land use types, and had drew some conclusions as followed: In four land use types, the soil bulk density of layers(0～15cm) for farmland and tree land is bigger than the other land use types.The organic matter of every layer in manpower Tamarix Bulrush land is bigger; organic matter of Tamarix Bulrush land release efficiency nitrogen which result ration of C/N is higher; total nitrogen of all layers in farmland variety great as being effected by mass use of nitrogen in agriculture; deadwood and defoliation of tree国产亚洲午夜福利专区、shrub and bulrush pooled in 5cm layer to result that quick nitrogen is the biggest among all layers. The total salt of nature shrub tree land for every layer being bigger than farmland explain that nature shrub thee land strongly stand salt and farmland for basification in this area; that the nutrient of face layer is bigger than the ground layer may be explained by that vegetation gather nutrient to be stored in deadwood and defoliation.

本文對(duì)以克拉瑪依為例，對(duì)干旱區(qū)綠洲土壤質(zhì)量的時(shí)間空間變化進(jìn)行研究操女人的屄的网站，在有關(guān)土壤質(zhì)量的研究理論指導(dǎo)下偷拍盗摄ⅩⅩⅩⅩⅩ亚洲人，通過(guò)田間調(diào)查取樣和室內(nèi)分析相結(jié)合的方法，對(duì)新疆克拉瑪依市農(nóng)業(yè)開(kāi)發(fā)區(qū)的不同土地利用方式及同一土地利用方式下不同利用年限土樣土壤理化性質(zhì)進(jìn)行測(cè)定免费A级毛片aV无，從而對(duì)新墾綠洲不同土地利用類型土壤質(zhì)量進(jìn)行綜合評(píng)價(jià)国产xx视频在线，結(jié)果如下：四種土地利用方式中，農(nóng)地一级二级毛片18岁禁看视频黄,、喬木林地表層(0-15cm)土壤容重較大性久久；各土層人工檉柳蘆葦?shù)氐耐寥烙袡C(jī)質(zhì)含量均較大；檉柳蘆葦?shù)氐挠袡C(jī)質(zhì)在礦化過(guò)程中所釋放出有效氮黄大片视频，導(dǎo)致檉柳蘆葦?shù)氐腃/N比例較高国内毛片免费A级视频；受到農(nóng)業(yè)耕作使用大量氮肥的影響，農(nóng)地各土層全氮含量變異較明顯天天透天天要；喬木国模私拍一区二区、灌木及蘆葦?shù)目葜β淙~主要集中在5cm范圍之內(nèi)性爱无码视频在线观看，導(dǎo)致幾種土地利用方式類型下該層土壤速效氮最大日韩视频自拍第二页在线播放网站；天然灌木林地的土壤總鹽在各層均較大，其次是農(nóng)地超碰在线播，說(shuō)明天然灌木林地的高耐鹽能力黄片一级无码视频在线，以及該區(qū)農(nóng)業(yè)生產(chǎn)用地的土壤鹽堿化程度較重。

Additional, in industrial respect, ion exchange fiber can become activator carrier as activator, use at catalysis certain and organic reaction; Can use as dehydrating agent and grease depart material; Use as water sorbent, take off with what divide at the water in storehouse except; Use as material of sex hygiene suction blood, can make radioactivity is absorbed and defend material; Use ion exchange fiber the adsorption to the bacterium and antiseptic ability, make underwear of deodorant insole, health care wait.

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Open since January 1, 2003 began, the Beijing city public housing the right to use the transaction to start the pilot, the main forms include: public housing tenant to complement the difference between the way the exchange of public housing the right to use ; Gongfang lessee the right to use the compensatory transfer of public housing; public housing to public housing tenant the right to use the exchange of housing rights; Gongfang lessee of its public housing tenant to sublease part or all use by others.

開(kāi)放以來(lái)03年1月1日開(kāi)始，北京的城市公共住房使用權(quán)交易開(kāi)始試點(diǎn)国产九九视频一区二区在线，主要形式包括：公屋租戶以補(bǔ)充之間的差異的交流方式公共房屋的使用權(quán)国产最新色图亚洲欧美p；公房承租人的使用權(quán)有償轉(zhuǎn)讓的公共住房；公屋公屋租戶的使用權(quán)交換住房權(quán)利草草黄色影院；公房承租人的公屋租戶轉(zhuǎn)租部分或全部使用由他人av在线免费观看不卡一区。

Land use type is the outcome of duple influence of nature and human activity, which possessing scrambling, relative instability and complexity, and it can be discussed by fractal theory. Application of fractal theory in land use structure involve in the calculation of fractal dimension of land use type, research method and fractal description of change of land use structure, fractal model of region landscape and so on, but fractal mechanism of spatial diversity of land use type is rarely reported.

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The results showed that the use of tourmaline could increase alcoholic fermentation speed of molasses, the fermentation speed kept increasing with the increase of the use level of tourmaline, however, as its use level was above 11 %, the increase of fermentation speed was inevident; the use of tourmaline had no side-effects on the content of the main impurities including methanol, n-propyl alcohol, isobutyl alcohol, isoamyl alcohol; though it had weight loss after a period of use, it could still promote alcoholic fermentation of molasses.

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First , divide the vocabulary into 5 categories (synonymy ; antonym; homophony; homomorphism; conjugate) Second, different strategies to different categories but to make the CAI visual, interesting, and systematic. The thorough strategies carried out in the experiment are as follows: Use picture-showing to differ some synonymies ; Use movie clip to learn some antonym; Use flash cartoon to create the mini-situation of homomorphism ;Use audio equipment to learn homophony; Use specific characters and design crossword to help students memorize the conjugates.

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Underuse, overuse, wrong use and monotonous use of linking words. The four kinds of problems can be analyzed in greater detail. For example, underuse of linking words includes lack of linking words between clauses, between sentences, and between paragraphs; overuse of linking words consists of overuse of and, overuse of compound sentences, overuse of linking words in paragraph, and others; wrong use of linking words concern wrong use of linking words similar in form while different in meaning, wrong writing of linking words; wrong use of linking words because of wrongly understanding the logic relation between the linked parts, and others.

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