查询词典 soil cover

The CO2 and O2 densities in the curst cover soil had certain negative relativity, but their related coefficient couldn't be given with the assurance, needing a further study.

硬覆盖路面下土壤CO2浓度与O2浓度之间存在一定的负相关性。但受多因素影响，它们的相关系数难以确定，有待进一步探讨。

The co-Kriging method considering the altitude influences is applied to get the rainfall in grid elements. The vegetal cover and landuse conditions in regions of interest are acquired from remote sensing data. The function relationship between the maximum of soil moisture deficiency and topography index is given. The flow concentration paths of net rainfall in every grid element are gotten from DEM, which solve the problems of rainfall input and parameters grided.

利用考虑高程影响的协克里金方法确定单元网格时段降雨量；利用遥感资料获取研究区域内的植被覆盖情况、土地利用分布情况等；建立了最大缺水量同地形指数之间的函数关系，基于数字高程模型确定单元网格中净雨的汇流路径，从而解决了模型产汇流计算过程中的降雨输入和参数网格化问题。

The researches cover silviculture, vegetation management, tree physiology, ecophysiology, dendrochronology, forest ecology, forest fire ecology, forest soil biology, biotechnology, forest genetics, forest entomology and pathology, forest practices effects on biodiversity and sustainability and forest economics etc.

该杂志研究领域涉及造林学、植被管理、树木生理学、生态生理学、树木年代学、森林生态学、森林大火生态学、森林土壤生物学、生物技术、森林遗传学、森林昆虫学与病理学、森林实践对生物多样性与稳定性的影响以及森立经济学等。

In contrast, the imperforate film mulching method is a way to cover the topsoil with the film fixed by compacted soil on its ends when the crop is planted beside the film.

新膜法使用的地膜是旧地膜覆盖种植法的一半，特点是节能减排。

Mulch is a protective cover of material that is spread on top of soil.

覆盖物是撒在地表的一层起保护作用的物质。

During the process of deriving percent vegetation cover using "Nondense Vegetation Model", Leaf Area Index is a necessary parameters, an improved method for deriving LAI from visible and near infrared measurements above a soil background is proposed.

在用"非密度模型"反演植被覆盖度的过程中，叶面积指数是一个必要的参数，本文提出了一种改进的借助可见光波段和近红外波段反射值来提取叶面积指数的方法。

Freckles: the name has a lot of people,"flies feces,""soil spot","silkworm excrement",Cover face sand, flea flea spot ranging from freckles are a good hair in the face, neck and hand back the brown or dark brown pigment spots, many in the 6-year-old appeared often increase with the age of growth.

雀斑：民间的叫法又有很多，"苍蝇屎"、"土斑"、"蚕沙"、蒙脸沙、虼蚤斑不等，雀斑是一种好发于颜面、颈部及手背部的黄褐色或暗褐色色素斑点，多在6岁左右出现，常随年龄的增长而增多。

Top dressing, adding soil and sand that trickle through grass and ground cover plants is not just necessary for proper drainage, but for plant and grass health.

追肥，增加土壤和沙，通过种草，地面覆盖植物涓滴不只是适当的排水必要的，但工厂和基层健康。

In this study,two Landsat TM images of Xiamen city were used to evaluate soil moisture of the city for the years of 1989 and 1996.The extraction of the moisture was based on a spectral feature space composed of fractional vegetation cover and land surface temperature.

利用1989年和1996年两个时相Landsat TM遥感卫星影像来获取厦门的植被覆盖度和地表温度，并由此构建了植被覆盖度和地表温度组成的特征空间，最后利用该特征空间反演了土壤湿度，并分析湿度在两个时相中的变化情况。

The subsoiler with disc coulter can effectively restrain the evaporation of moisture in the soil, so it can be widely used in subsoiling in the corn-cover field.

带圆盘刀式深松机能有效地抑制作业后土壤水分的蒸发，可广泛用于秸秆覆盖条件下的深松作业。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了