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The grassland desertification information in Huolinhe opencast coalmine is extracted from remote sensing imageries by using decision tree and back-propagation (BP) neural network, and the desertification during the past 16 years in the research field is a
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摘要以位于草原区的霍林河露天煤矿为例,基于决策树和BP神经网络,在荒漠化信息提取的基础上,对研究区16年来的荒漠化情况进行了分析。 |
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The grasslands of the desert overflow; the hills are clothed with gladness.
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12滴在旷野的草场上。小山以欢乐束腰。 |
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The grassy slope is green, and the wild flowers beyond number.
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草坡碧绿,野花多得数不清。 |
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The grating converts the light into a central peak plus side peaks.
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光栅将入射光束转化成一个中心峰值和一系列副峰值。 |
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The grating spectrally disperses the light, which is then focused onto the CCD-array detector.
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光栅还会使得稍后会在面阵CCD探测器上聚焦的光线分散。 |
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The grating spectrograph and prism spectrograph were used to observe and analyze the visible spectra of Cu-based alloys.
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使用光栅看谱镜和棱镜看谱镜对铜合金可见光谱进行了看谱分析研究,摄制了彩色图谱。 |
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The grating's highest efficiency is within the range listed in the Best Efficiency (>30%) column.
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光栅的最高效率属于最高效率范围栏里列出来的范围。 |
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The grave of Mr Godwin's elder sister, shot dead in the independence war, becomes a slum-dwellers' toilet.
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戈德温的姐姐在独立战争饮弹身亡,可她的墓现在却成了贫民窟的方便之处。 |
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The grave problem of public hygiene is connected with the inefficient sewage system of the city.
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公共卫生方面的严重问题与该城低效率的污水处理系统有关。 |
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The grave was already dug up and rob one spatially, but it still left an excavating accident to harvest: This is one dark and the moist mausoleum, in the grave finds at everywhere a group group strange thing.
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墓早已被盗掘一空,但是它仍然留给发掘者们一个意外收获:这是一座黑暗而潮湿的陵墓,墓中随处可见一团一团奇怪的东西。 |
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The gravel traps are about 25 cm deep and filled with spherical gravel stones with diameters of between 5 and 16mm in diameter.
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沙砾缓冲区大约深25厘米,中间填满了直径在5毫米到16毫米之间的圆形砂石。 |