The climate pattern known as the El nino-southern Oscillation, or "ENSO" for short, is the biggest cause of large-scale climate variability in the tropics.
被称作“厄尔尼诺南方涛动”的气候模式是热带地区大面积气候变化的最大原因。
the time scale: Variability and change are regarded as two facets of the same phenomenon.
时间框架:差异和变化被认为是同一现象的两面。
Classical statistical analyses show significant spatial variability of soil erodibility K values at a scale of small watershed, the variance coefficient of which is 39.94%.
经典统计学方法分析表明，在小流域尺度下土壤可蚀性K值存在很强的空间变异性，其变异系数达39.94%。
Topography and land use types are key factors which affect soil properties variability on catchment scale in the loess hilly area.
在黄土高原小流域尺度上，地形和土地利用是影响土壤变异的重要因素。
The field scale spatial variability of soil properties is one of the key factors which have considerable effect on water flow and solute transport.
田块尺度土壤特性的空间变异性对水分与溶质运移具有明显的影响。
Soil water movement and solute transport in the local scale were studied and the spacial variability of soil water content and concentration were discussed.
据此研究了小区域范围内土壤水分和溶质的运移特征，讨论了土壤水分和盐分分布的空间变异性和统计特征。
A rich content and system of knowledge, mature research methods in dendrohydrology provide accurate methods for studying long-term hydrologic variability at regional scale.
树木年代学丰富的内容和知识体系，成熟的研究方法，为区域尺度上研究水文变化提供了精确的方法。
Spatial variability of soil nutrient and crop yield in Shanghai Chongming Island large-scale management farm was studied by modern geo-statistical and geographic information technology.
应用现代地统计学和地理信息技术在上海崇明岛研究了规模经营的农场土壤有效养分含量与作物产量的空间变异规律；
Spatial scale is forefront in soil-scientific research, so the analysis of macropore reasonable sampling size becomes significant which is in case of taking account of spatial variability.
土壤特性的空间尺度问题是当今土壤科学研究的前沿，在进行土壤空间变异研究中，大孔隙的合理取样尺度分析对大孔隙流研究具有十分重要意义。
The salinity variability on the interannual time-scale is analyzed using SODA data by EOF statistical method.
通过统计方法利用一套海洋同化数据分析了热带太平洋次表层的盐度变化特征。
Due to great spatial variability of this hydraulic property, direct measurement seems to be infeasible and even impossible, especially for a field scale problem.
对于一个较大范围的实际问题，由于其在空间和时间上的强烈变异性，采用直接实验大量测定通常是不可行的。
The result showed the evident existences of the variability of porosity in soils on mm-scale. Under the stress of water, pore becomes more and more bigger with the deepne…
结果表明，土壤孔隙率在毫米尺度上存在较为明显的差异，在水头压力下，孔隙率随着深度增加而变大。
The result showed the evident existences of the variability of porosity in soils on mm-scale. Under the stress of water, pore becomes more and more bigger with the deepne…
结果表明，土壤孔隙率在毫米尺度上存在较为明显的差异，在水头压力下，孔隙率随着深度增加而变大。
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