垂直 perpendicular; vertical; squareness; verticality; perpendicularity 两线垂直相交。the two lines meet at right angles. 设 ab 垂直于 cd。let ab be perpendicular to cd. 当表面与射线垂直时,射线的强度最大。when a surface is perpendicular to the rays, their intensity is at its maximum
The life - form spectrum , plant kinds , vertical structure and horizontal structure of oka nutural secondary forest in baotianman national reserve were preliminary analyzed , which has produced the more conjecture : the vertical distribution in the area is obvious ; the kinds of phanphytes plants in the community is the most ; the q . variabilis and q . variabilis are on predominance ground 摘要对宝天曼自然保护区栎类天然次生林群落的生活型谱、种类组成、垂直结构和水平结构进行了初步分析,并由此进一步推测:该地区植物群落垂直分布较明显;群落中高位芽植物最多,占61 . 6 % ;栓皮栎和锐齿栎在群落中正处于优势地位。
They are experiment b in which a a bogused vortex with tilted vertical structure is planted and the terrain of zhoushan archipelago exists , experiment bt in which a a bogused vortex with right vertical structure is planted and the terrain of zhoushan archipelago exists , experiment nb in which a a bogused vortex with tilted vertical structure isn " t planted and the terrain of zhoushan archipelago exists , experiment bnz in which a a bogused vortex with tilted vertical structure is planted and the terrain of zhoushan archipelago is removed , experiment blz in which a a bogused vortex with tilted vertical structure is planted and the heights of terrain of zhoushan archipelago are doubled , experiment bmz in which a a bogused vortex with tilted vertical structure is planted and main islands of zhoushan archipelago are set as a part of mainland 本文应用三重嵌套网格区域的非静力mm5模式模拟了其生命后期,沿30 n一带西行登陆的过程,并就热带气旋的bogusing问题、热带气旋登陆过程中的结构演变和舟山群岛地形对热带气旋的影响进行了探讨,并通过一系列的敏感试验来确定小型岛屿地形的作用。本文采用了六个试验方案: ( 1 )试验b ,有舟山群岛的地形,且加入倾斜垂直结构人造热带气旋的试验方案。 ( 2 )试验bt ,有舟山群岛的地形,且加入正压垂直结构人造热带气旋的试验方案。
In the second part of the paper , with employing the game reanalysis data and on the basis of the theories of the baroclinic vorticity development , this paper inferred from the dynamic analysis that the horizontal vorticity can represent the baroclinic intensity of the large - scale atmosphere , and the conversion of the horizontal vorticity converting into the vertical vorticity is actually the phenomenon that the horizontal vorticity flux of the summer monsoon owning the striking longitudinal - direction vertical structure and the strong baroclinicity , influence on the horizontal movement of the atmosphere 在第二部分,基于第一部分的结果,本文在斜压涡度发展理论的基础上,用在我国季风区具有更高准确性的game再分析资料,讨论分析了能代表大尺度大气斜压性强度的水平涡度在向垂直涡度转化的情况,说明了此转化就是具有明显经向垂直结构特征和强斜压性的夏季风环流圈将其经向垂直剖面上的涡旋通量强迫于水平运动的现象。
In this paper , a bogused vortex with tilted vertical structure is firstly taken into account . check results of experiment b , experiment bt and experiment nb , we find that the simulated tc track , center pressure and pattern of precipitation during landing in experiment b are better than others . so , a bogused vortex with asymmetrical horizontal structure and tilted vertical structure is good for a tc moving in mid - latitude , which may be a new way to initialize this kind of tc in numerical simulation 本文首次采用倾斜垂直结构的人造热带气旋作为初始涡旋,试验b和试验bt以及试验nb的模拟结果对比发现,前者对9806号热带气旋登陆前后的运动路径、中心气压、降水分布和初始结构的模拟能力优于后两者,因此,具有倾斜垂直结构的人造热带气旋比正压结构的人造热带气旋更适合于作为模拟中纬度运动的热带气旋的初始涡旋,从而提出解决该类热带气旋初始化问题的一种新思路。
The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community , plant diversity , life - forms of vegetation , trends of plant growth , characteristics of the vertical and horizontal structure of vegetation , relationship between the vegetation community and environment ( including soil moisture temperature etc . ) , relationship between the vegetation community and characteristics of plant physiological activities . some results were showed as follow : 1 . components , diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years , since the establishment of sand - fixing vegetation 本文以腾格里沙漠东南缘宁夏中卫县沙坡头地区人工固沙植被作为研究对象,采用传统生态学的野外调查方法,从植被群落的组成、多样性、生活型、群落生长动态、垂直结构特征、水平结构特征、群落结构与周围环境(土壤含水量、温度)相互关系及其与植物自身生理生态适应特征关系等多个角度研究了人工植被群落的结构及其动态变化,取得了如下研究结果: 1 、植被群落组成、多样性及生活型:沙坡头地区人工植被经过近50年的演变,从流动沙丘到固定沙地,沙地植被的动态变化经历了从人工植被到人工?自然植被的转变,从人工植被建立初期的少数几种引种植物到现有30多种植物,随着固定沙地时间的延长,植物种类日趋丰富,并且人工植被在15 25年、 40 50年两个阶段,物种的周转速率最大,即群落结构变化最大。
Rainfall and vertical profile of hydrometers are retrieved for land and ocean using tmi 1b11 data . the comparison of retrievals of gprof v6 . 1 and v6 . 2 with ground - based radar and gauge data on land and pr data on ocean show that the gprof - v6 algorithm can retrieve rain intensity much well and indicate vertical distribution of hydrometers mainly . as far as retrieved precipitation area , it is better for convective precipitation type than stratified precipitation type 将陆地的反演结果与地基雷达资料和地面雨量计资料进行比较,海洋的反演结果结合trmmpr的降水产品进行比较,结果表明: gprof - v6算法反演的降水产品可以较好地反映降水强度并反映降水的主要垂直结构;在落区方面,对流降水反映较好,层云降水则较差;云-辐射数据集的扩充与改进可提高反演精度。
Using ncep / ncar reanalysis monthly dataset , the seasonal variability of arctic oscillation ( ao ) is studied with the emphasis on the temporal and spatial features of summertime ao . meanwhile , the three - dimensional structure of ao is presented , thereby its mechanism being explained . the analysis results show that the seasonality of ao is significant in its strength and spatial structure 运用ncep ncar再分析月资料分析研究北极涛动的季节性差异,着重讨论夏季北极涛动的时空特征及冬、夏季北极涛动的水平和垂直结构特征,并在此基础上初步探讨了冬、夏季北极涛动形成和维持的物理机制。
On the basis of the discussion of the ecological rehabilitation on subsidence land of coal extraction , the land structures of nourishment , plane and perpendicularity on subsidence area of coal extraction are differently designed . on nutritive structure green crops are mainly common crops , green vegetables , green forage crops and acquatic creatures . on plane structure the center of the subsidence land of coal extraction can be used as fish culture in net cage , the periphery can be established as fish pool and economic crops in water , and the outmost layer can be used as high - yield field , vegetable shed , domestic animal breeding area and fruit - bearing forest . on vertical structure the deepwater area can be established as fish pool and economic crops in water , and the uppermost layer can be developed as acquatic and semi - acquatic crops or dry farming crops 在讨论采煤塌陷地生态复垦的基础上,对新泰市采煤塌陷区生态复垦用地的营养结构、平面结构和垂直结构进行了优化设计.在营养结构上,绿色作物主要是农作物、蔬菜、饲料及水生生物.在平面结构上,在塌陷的中心地带实施网箱养鱼,外围区建立精养渔塘和水生经济作物,最外层生态复垦为高产农田、蔬菜大棚、畜禽养殖区和林果地.在垂直结构上,在积水区建立精养渔塘和水生经济作物,最上层则发展水生、半水生及旱作绿色经济作物
By using the data derived from the permanent plots in wugong shan forest farm , jiangxi province , china , the author of this paper analyzed and contrasted the species diversity and vertical structure between two kind of chinese fir ( cunninghamia lanceolata ( lamb ) hook ) plantations cultured by different methods of recidue management cultivation ( rmc ) and traditional cultivation 根据在江西武功山林场定位研究的调查材料,对以残留物管理育林法和以传统育林法所培育的两种杉木林分,在物种多样性以及垂直结构等方面,进行了对比分析。
Analysis on the species richness and diversity index , community evenness in different plots and layers of evergreen broad - leaved forest in shiyang forest center in wencheng , zhejiang province resulted that species richness and diversity index , community evenness of the second sublayer of tree layer was much greater than that of the first sublayer in the vertical structure of the community 对文成县石?林场常绿阔叶林的不同样地、不同层次的物种丰富度、物种多样性指数和群落均匀度进行了分析,结果表明:在群落垂直结构中,乔木层第2亚层的物种丰富度、物种多样性指数、群落均匀度显著大于第1亚层。