倾斜、翘曲和高程变化可以严重地影响水渠和各种岸边设备。
Tilting, warping, and changes in elevation can seriously affect canals and shoreline facilities of various kinks.
用重力测量检测重力变化的意义在于,重力变化表示高程变化。
The value of gravimeter surveys for gravity change detection lies in the fact that gravity change indicates elevation change.
导出了重力、高程变化及相互关系在球坐标系中的理论和数值计算公式。
The theoretical and numerical formulas for gravity and height variations in spherical polar coordinates are derived.
初步实验结果表明,该系统能够实时获取高程变化信息,并具有较高的测量精度。
The experimental results show that the system can acquire the altitude information in real time and with sufficient precisions.
提要采用卫星测高技术研究两极冰面高程变化和物质平衡状态是目前国际研究的一个热点。
At present, it becomes a research hotspot in the world to study the changes of elevation and mass balance of polar ice sheets by satellite altimetry.
同时,对此期间南极冰盖上几个剖面的高程变化进行了分析,得到其平均高程变化均在分米级(-0。
Moreover, the height changes of several profiles over Antarctic ice sheet between 2003 and 2006 are also analyzed, the results show that the height changes are in a range of-0.
浅层地温受到地表气温的日、年变化、地形变化、高程变化和地貌变化等的影响,应对实测值进行相应校正。
Shallow earth temperature is influenced by surface temperature change everyday and every year, topographic change, elevation change and surface feature change, so it should be corrected.
提出了多时相dem的高程变化与DOM影像变化分析协同的空间分析方法,对地表变迁进行了定性与定量的分析。
This paper presents a spatial analysis method based on multi-temporal DEM elevation changes and DOM images changes and gives a qualitative and quantitative analysis of the terrain change.
癌症的形成在很高程度上是可预计的,是几十年的健康恶化过程的最终结果,但是,只要在你的日常生活中引入一些简单的小变化,就能惊人程度地减少你罹患癌症的风险。
Cancer is largely predictable, the end result of a decades-long process, but just a few simple changes in your daily life can significantly reduce your risk.
虽然,他们都认为这在很大程度上归咎于气候变化:在过去40年,北极地区的气温升高程度是全球平均水平的2至3倍。
They concur, though, that climate change is largely to blame: temperatures in the Arctic region have risen at two to three times the global average over the last 40 years.
以水准点高程数据变化说明地面沉降历史现状。
Historical actuality of ground settlement is explained Using changes of benchmark height data.
数字高程模型(dem)是记录地形起伏变化的资料,当中蕴含着各种地形地貌的结构信息,其中包括山谷线和山脊线。
Digital Elevation Model (DEM) records topographic fluctuation changes and in which it contains various topographic construct information including valley lines and ridge lines.
航运站平衡了这个场地的广阔巨大的尺度与设计上的高度人性化尺度——为了简洁明了和方便使用,比较少有高程的变化。
The terminal balances the enclosure of this vast area with a design that is highly legible at a human scale - for simplicity and ease of use there are few level changes.
这些变化的频率是人类用来确定声源的高程。
These changes in frequency are what humans use to determine the elevation of a sound source.
应用纹理映射技术将TM影像与数字高程模型结合,实现准动态监测湿地的水文变化。
TM image and DEM are combined using texture mapping technology, thus realizes monitoring the hydrological change of wetland dynamically.
所提出的分析方案能够考虑接缝面上不同方向的抗剪能力,考虑缝隙随接缝位置、高程和荷载施加而变化的情况以及不同接缝间的相互影响。
This analysis method considers different shear forces in different directions on the joint surface, the variation of joint with its position, elevation and load fluctuation, an...
平地效应使干涉纹图中的主要频率不在零频,不能反映实际地面高程的变化。
The flat-earth makes the main frequency of the interferogram not at the zero frequency, and can't reflect the change of the topographic altitude.
通过黄河三角洲前沿陆地高程的变化和验潮获得的资料,介绍了黄河三角洲前沿深度基准面的变化和潮位变化情况。
In this paper, the observed land surface height data and tidal data in the Yellow River delta foreland area are used to describe the variations in depth datum and tidal level in the area.
高程是一个垂直于这个表面的测度,而虽然重力总是将物体向地心方向拉,但局部总会有一些变化。
Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre , there are local variations.
探讨了基于DEM的VLL物方影像匹配方法、多尺度表达的数字高程模型,以及自适应窗口大小和变化阈值的确定等用于三维变化检测的关键技术。
And many key techniques such as VLL matching, multi-scale DEM, self-adapted matching window and thresholds for the framework are discussed and investigated deeply.
另外,建立了数字高程模型、数字克山病分布模型、数字硒模型并作剖面图分析,定量分析了地形与微量元素分布的宏观变化规律。
Otherwise, based on DEM, digital model of KSD distribution, digital Se model and profile-map analysis, the research has a quantitative analysis of macro change rule in microelement distribution.
实际上浮动基准面还是水平基准面,只是不同CMP的水平基准面高程可以变化。
Actually, floating datum is still horizontal datum, but the datum elevation of different CMP is variable.
实验结果表明,该策略能够显著提高程序性能,平均提高一倍,甚至更高,同时它能够预知优化后程序执行时间的变化,最高误差为2%。
Experimental results show that the scheme has ability to improve significant performance significantly, and predict the application's execution time after optimization with a maximum error of 2%.
重力的高程效应很复杂,不同波长的起伏变化有不同的影响系数。
The gravitational effects of elevation is very complicated and the relieves of topography with different wavelengths have different gravitational effects.
重力的高程效应很复杂,不同波长的起伏变化有不同的影响系数。
The gravitational effects of elevation is very complicated and the relieves of topography with different wavelengths have different gravitational effects.
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