沙地
- 与 沙地 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Spatial heterogeneity ; the psammophytic half shrub community ; vegetation coverage ; semivariance analysis ; fractal analysis ; Mu Us Sandland
空间异质性;沙生半灌木群落;植被盖度;半方差分析;分形分析;毛乌素沙地
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The diurnal and seasonal changes of photosynthetic rate of Pyrus bretschneideri (CV.jinfeng and pingguoli) that are cultivated in sandy land were studied.
通过对沙地栽培的苹果梨和锦丰梨2种梨树光合速率日变化、季节变化的测试研究表明:苹果梨Pn日变化呈单峰曲线,峰值出现在上午9:00为10.158 μmol.
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The ramet populations of the species at OSES and Inner Mongolia Grassland Ecosystem Research Station and those under conditions of monoculture and mixed with different species were compared.
对内蒙古沙地站和内蒙古草原站的单种沙鞭分株种群的比较和在各站对单种和混交沙鞭分株种群的比较发现,不同地点和在不同群落条件下的沙鞭分株种群在许多重要性状上都存在差异。
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To investigate the phenotypic plasticity in response to theheterogeneous soil water supply, ramet pairs of the species were subjected to heterogeneous watersupply by which either mother ramets or daughter ramets were in high or low soil water supply, respectively,in the Maowusu Sandy Land of Nei Mongol.
为了探讨拂子茅在异质性水分环境中的表型差异,在内蒙古鄂尔多斯高原的毛乌素沙地对拂子茅由母株、子株组成的分株对给予了高水、低水两种不同的异质性土壤水分处理。
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Firstly, influenced by climate, topographical feature, soil and hydrological and geographical features, there was drought, flood, salinification, desertification and barren in Daxing, biological protection is necessary as a protective barrier to control sand from Yong Dinghe River bed Secondly, the windbreak system has features of urban forestry with aesthetic character and reasonable forest structure and arrangement.
首先,受气候、地貌、土壤和水文地质等多种因素制约,旱、涝、碱、沙、瘠等自然灾害普遍存在,防护林体系的生态环境保护作用应当得到充分体现,要成为首都&南大门&的生态屏障保护及永定河沙地的风沙源控制带。其次,要体现大城市城郊防护林体系的建设特点,布局合理,结构合理,具有一定的风景美学价值。
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Therefore, as viewed from physiological characteristics, Salix gordejevii exhibits adaptive characteristics of drought too.
因此,在生理特性上,黄柳亦表现出了对沙地干旱环境的适应特性。
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Maona was a surprise to any of us to discover the next specimen basking on the sand within a few centimeters of his sandaled foot.
毛纳对我们每个人来说都是个惊喜,没走几步路我们又发现一条蛇躺在沙地上晒太阳。
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In order to better understand the determinants of tree height limit,32 tall tree species such as Parashorea chinensis,Sapium baccatum,Garcinia cowa,Eucalyptus citriodora,E.grandis×E.urophylla,Albizia falcataria,Populus tomentosa,Platanus hispanica,Ginkgo biloba,Pinus tabulaeformis,Ulmus pumia,Salix gordeivii,and Elaeagnus angustifolia from typical environments such as Xishuangbanna rainforest,Guangzhou subtropical area,Zhengzhou,Beijing,Helanshan mountain and Maowusu sandland in China were studied.
为了更好地了解树高极限的限制因素,本文对全国典型水分分布区域西双版纳、广州、郑州、北京、贺兰山和毛乌素沙地等地区生长的望天树、浆果乌桕、小叶藤黄、柠檬桉、巨尾桉、南洋楹、毛白杨、悬铃木、银杏、油松、榆树、沙枣、小黄柳等32种较高的木本植物进行了研究。
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Found on sand ridges and coastal dunes in every Florida county, Serenoa repens is frequently used as an herbal remedy for incontinence, impotence, and enlarged prostate, among other maladies.
锯棕果在佛罗里达乡下的沙地和沙丘上随处可见,常作为草本药物用于失禁,阳萎和前列腺增生等疾病。
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The change of landuse patterns in 1977-1998 shows indirectly the desertified land had been restored and is being restored. The relationship between landuse patterns and soil types was also analysed in this paper, from 1977 to 1998, the areas of rangeland and mobile sand dunes decreased in most soil types and the areas of woodland, shrubland and farmland increased, which means that the modification of landuse patterns due to limitation of soil types will be helpful to desertification control.
同时土地利用格局的时空变化与土壤类型间关系的分析表明,1977-1998的20余年间,在四种主要土壤类型上各种土地利用类型的变化具有一定的规律性,草牧场和流动沙地的面积基本上呈减小的趋势(分布在风沙土上的草牧场面积除外),而乔木林地,灌木林地和农地面积均为增加的趋势,这说明在土壤类型这一土地自然属性的严重制约下,人们被迫调整其土地利用格局,从而有效地遏制了荒漠化的发生和发展。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。