降水
- 与 降水 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In extremely arid condition, the survival rate curve of annual plants presents a Deevey Ⅲ type , while in relatively humid condition, the survival rate curve has a medial distribution type.
一年生草本植物的存活曲线在特别干旱条件下完全表现为DeeveyⅢ型,但在降水相对充足的情况下,存活曲线表现为中间类型。
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Our country's deserts mainly lie in arid and semiarid areas, mostly with scarce precipitation and lack of water resource, neither natural vegetation with relatively strong drought-resistance capability nor plantation, like diversifolious poplar, dryland willow, shrubby sand willow, saxoul and Hedysarum mongolicum Turcz,etc., can be protected effectively, this leads to desertification area expansion and frequent sand storm, which seriously affect people's work and life.
我国沙漠多处于干旱和半干旱地区,绝大部分地区降水稀少,水资源缺乏,无论是具有较强抗旱能力的天然植被,还是人造林如胡杨、旱柳,灌木类沙柳、梭梭、杨柴等都得不到有效保护,导致沙化面积扩大,沙尘暴发生频繁,给人民群众的生产生活带来严重影响。
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Study on the driving forces of land use/cover temporal-spatial change. On the basis of the systematical study on natural and social-ecomic factors including climate, population, technology and affluence status etc. during the past 50 years in this area, the multivariate statistics simulation models of LUCC were developed for two periods of 1950's-1980's and 1986-2000 respectively. Then, the Thiesson polygon method was used to the spatial allocation of soci-economic factors, thereby the spatial relationship between land use degree change and socieconomic factor variation was detected within GIS. Based on the analysis of the integrative characters in different geographical divisions, the electivity index was employed to describe the possible impacts of the natural landscape structure on spatial differentiation of land use transition. At last, correlation analysis between major roads and the distribution of land use change was made.
分析近50年气候资料和人文因子在不同年代的变化特点,系统地研究了气温和降水等自然因子和人口、农牧业发展、经济状况等人文因子对区域土地利用变化的影响;从时间序列的角度分析了50年代至80年代初和80年代中期至2000年两个时段土地利用/土地覆被变化的驱动因子,在相关分析的基础上,分时段建立了区域土地利用/覆被变化的自然-人文影响统计诊断模型;针对不同经济类型区选择典型县,分析近15年土地利用变化外在人文驱动力的区域相似性和差异性;尝试以THIESSEN多边形方法进行社会经济统计数据的空间化处理,探讨了土地利用程度变化与人文因素变化的空间相关关系;以优先指数模型和土地利用类型转化率与距交通干线距离的相关模型分析了景观自然与人文结构对土地利用空间转化过程的影响。
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According to the implementation of this technical, we can accumulate some experience of designing the precipitation in the high elevational pit which is buried in shallow groundwater and relatively deep in the soft soil in which water is relatively abundance.
该项技术的实施,为在高海拔地区地下水埋藏浅、基坑相对较深且水量相对丰富的软土地区的构筑物基坑降水积累了一定的经验。
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The development of weathering crusts proves that some paleosols in the ioess belongs to the eluvial mor, and the subtropical climate in Liuhe area of Jiangsu migrates to the southeast of the Loess Plateau at that time.
是黄土高原降水丰富的气候事件的显示。风化壳的发育证明黄土中有些古土壤确属淋溶型森林土壤,当时亚热带气候至少迁移到了黄土高原东南部。
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The underground thermal water in Zhengzhou City hosted in the fluviolacustrine facies loose beds in the Pliocene, Miocene epoch of Neogene Period, and it belongs to the underground moderate temperature hot water in the zone of subsidence.
郑州市地下热水赋存于晚第三纪中、上新世河湖相松散地层中,属沉降带地下中温热水,其补给来源,除大气降水外,尚有部分的埋藏水,为锶和偏硅酸复合型天然矿泉水。
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More than half of British Columbia is heavily forested.
在有 充足降水的斜坡,巨大的道格拉斯枞树高耸入云。
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Although the quality of day lily of Qingyang city is best in the whole country, the day lily is planted fragmentarily at the residence, roadside, bank of the canal, low bank of border, and district of field, and also do not form the best product region and suitable planting technology. The product region environment condition of day lily in Qingyang city was analyzed from2001 to 2005, the advantageous product regions of day lily in Qingyang city was planned, and planting technology of day lily was studied. The main result of study were as follows:First. Qingyang city belongs to dry agricultural region, its solar radiation is quite rich, but the water resources is short in all district, the agricultural production depends on the natural precipitation.
生产的黄花菜质量在全国名列前茅,但是庆阳的黄花菜多在宅旁、路边、渠岸、田边地埂等零星地进行生产,没能形成优势产区,对栽培技术研究也较少。2001年~2005年我们分析评价了庆阳市黄花菜产区环境,进行了黄花菜优势产区区划和旱作栽培技术研究,主要研究结果如下: 1 庆阳市太阳辐射比较丰富,水资源缺乏,农业生产靠天然降水,属旱作农业区,河流大部分水质较好,灌溉水源基本未受到污染。
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It is revealed that there exists the pre geosynclinal formation in the Xuefeng district .
研究表明,湖南雪峰地区存在前地槽构造层,该区金矿的成矿物质主要来自赋矿地层,成矿流体主要为大气降水,其主成矿期为加里东期、印支-燕山期。
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In result, formic, acetic, methanesulfonic, oxalic, malonic, succinic and glutaric acids were detected notably. Formic, acetic and oxalic acids were the most abundant organic acids, and the sum of their concentrations averagely accounted for 89% of the total detected organic acids and 13% of the total anions, respectively.
结果表明,甲酸、乙酸、甲磺酸、乙二酸、丙二酸、丁二酸、戊二酸均有不同程度检出,一元有机酸中甲酸和乙酸在每场降水中均有检出;二元有机酸中,乙二酸和丁二酸检出率很高,其他有机酸检出率较低。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。