In this article, the author compares and analyzes three kind of main calculation formulas of the square grid quadrilateral prismoid field leveling earth volume , and provides a formula to calculate directly total excavation and filling earth volume according to construction altitudes of angular points of square grids.

對(duì)場(chǎng)地平整土方量方格網(wǎng)四方棱柱體法的3類主要計(jì)算公式進(jìn)行了對(duì)比分析性饥渴艳妇k8经典A片，提出了根據(jù)方格角點(diǎn)施工高度直接計(jì)算場(chǎng)地總挖欧美裸体网站、填土方量的計(jì)算公式毛片视频免费观看。

Based on the finite element method and probability method, the initial displacement and stress of grids structures due to manufacturing deviation were analyzed.

采用空間有限元和概率方法99久久国产亚洲精品观看，分析了網(wǎng)架結(jié)構(gòu)由于制作偏差引起的初始應(yīng)力和初始位移日韩美女久久久无吗。

So basically we could draw a quadrangular polygon instead of four points, like below, where we are instancing ten grids

那么 我們可以簡單的畫一個(gè)四邊的多變形代替四個(gè)點(diǎn)一级毛片,A级毛片，像下圖一樣。在圖中疯狂欧美黑粗硬大插进去了，我們代理了10個(gè)grid

First, generating a regular quadrangular mesh by means of DEM data. Then finding out the regions that railway beds locate in and cuting the regions into grids.

該方法首先利用DEM數(shù)據(jù)生成一個(gè)規(guī)則的四邊形網(wǎng)格男把女日出了白浆的免费视频，找出路基所在的區(qū)域，將該區(qū)域離散到格中一级黄色片美国。

In order to save the CPU time, the approach of searching its nearest generator for a grid was developed, which was based on the quadrantal location of generator grids in a raster space.

為了減少計(jì)算時(shí)間影音先锋av在线资源，設(shè)計(jì)了一種搜索某個(gè)柵格所屬最近發(fā)生元的方法，它是根據(jù)對(duì)于該柵格而言發(fā)生元柵格所處的象限位置來計(jì)算的免费黄色视频A片子。

In order to save CPU times, an optimal approach of searching the nearest generator for a background grid is designed, which is according to the quadrantal location of generator grids for a background grid in raster space.

本方法是實(shí)現(xiàn)發(fā)生元為任意復(fù)雜圖形的Voronoi圖的一種有效方法九七人人操。

Some of the specific effects of space weather on Earth systems include interference with short wave radio propagation, problems with electric power grids, the decay of satellite orbits, and radiation hazard for satellites and for astronauts during some phases of space missions.

太空天氣對(duì)地球系統(tǒng)所產(chǎn)生的影響包括對(duì)短波無線電傳播的干涉，電力輸送線路的問題欧美一级abbb，衛(wèi)星運(yùn)行壽命的減少国产精品免费高清在线观看，以及對(duì)太空任務(wù)某些時(shí)段的衛(wèi)星與太空人造成的輻射危險(xiǎn)。

Numerical example showed that the random manufacturing deviation produced large initial stress, which induced buckling failure of some spatial grid members, and had a large effect on the safety of the grids structures and could not be ignored.

正交正放四角錐網(wǎng)架的算例結(jié)果表明欧美性爱免费看视频，隨機(jī)制作偏差可以引起的較大的初始應(yīng)力日韩伊人网，使得網(wǎng)架結(jié)構(gòu)局部桿件發(fā)生失穩(wěn)破壞，從而對(duì)結(jié)構(gòu)的承載力有較大影響欧美三级电影网址，不容忽視人人操一区。

Through storing these finite values of the regular grids,the value of every point from the original data area can be estimated.

針對(duì)大規(guī)模散亂數(shù)據(jù)，本文提出一種基于B樣條函數(shù)的曲面擬合和數(shù)據(jù)壓縮方法欧美视频性交。

For realization of the coupling between the physical model and the mathematical model, rhombic differential grids are adopted in the mathematical model, and a prediction of the water level variation a...

對(duì)影響復(fù)合模型運(yùn)行的一些因素進(jìn)行了分析日韩在线精品色欲视频观看免费网站，強(qiáng)調(diào)復(fù)合模型實(shí)時(shí)耦合中參數(shù)的匹配問題。給出了模型的運(yùn)行情況国产精品资源站没想到这么骚，其精度滿足工程需要一a黄色视频a，實(shí)現(xiàn)了實(shí)時(shí)耦合的復(fù)合模型。