查询词典 soil cover

There are the insect myriads creeping and buzzing among the weeds, the worms and unnameable creatures that squirm or scuttle for cover when you turn garden soil for planting.

当你在花园里翻翻土，计划种点啥时，无数蠕虫和难以名状的生物为了活命正仓皇而逃，而杂草丛里，又惊起一群小昆虫，或缓缓而行或嗡嗡闹个不停。

There is a loss of vegetative cover and the soil deteriorates in texture, nutrient content and fertility.

植被的丧失和土壤结构、营养和肥力的恶化在此处发生。

Based on the collection and arrangement of the materials of land use and precipitation of each county in the Three Gorges resevior area, the method for evaluating the best water-conserving and flood-controlling forest cover has been discussed which considering storm control and soil erosion alleviation.

在搜集整理库区土地利用状况及各县市降雨资料的基础上，探讨了三峡库区区域尺度理水调洪森林覆盖率的估算方法，认为区域尺度理水调洪森林覆盖率的估算应综合考虑最大限度拦蓄特大暴雨和减轻土壤侵蚀两方面。

Prevent the wind-borne dust and soil erosion,using bark to cover the ground may prevent tile wind-bolie dust from taking place,improve the air quality,make the environment more graceful.

防止扬尘和水土流失，使用树皮进行地面覆盖物可以避免扬尘发生，提高空气质量，是环境更优美。

This process varies with the site and circumstances, but in its archetypical form fast-growing annual weeds cover the soil first, playing the role of what ecologists classify as pioneer plants.

这一过程的长短因不同的地点和环境而异。起初，生长迅速的年生草先把土壤覆盖住，起到一种生态学家称之为&先驱植物&的作用。

It was one term momentous engineering, whereas shallow burring pipe heat preservation ensure water supply normal parameter clause against that at Qing zang railway frozen soil environment carry into execution pipe shallow cover up water supply.

在青藏铁路冻土环境中实施管道浅埋供水是一项重大的工程，而浅埋管道保温则是保证供水正常的首要条件。

But the study that the cosmogenic 7Be is imbibed and intercepted by the cover materials on the soil surface is relatively less, which leads to a direct impact on the accuracy of the tracing results, the establishment and application of the tracing models.

：7Be具有环境微粒示踪价值，在示踪土壤侵蚀研究中有一定的应用，但是有关地被覆盖物对7Be截留吸收的研究目前还相当少，这直接影响了示踪结果的准确性、示踪模型的建立及应用。

It is showed that a quantitative analysis on those geophysical factors causing the seasonal vertical movement of the crust could be very helpful to explain what is obtained in GPS monitoring, such as the atmospheric pressure, the mass load of snow cover and soil humidity, the nontidal oceanic mass load, rock's thermal expansion and shrink and so on. Also we do some ualitative analysis on the systematic errors between them.

研究表明，通过对大气压、积雪和土壤湿度质量负载、非潮汐海洋质量负载、以及基岩的热胀冷缩等地球物理机制因素引起地壳垂向季节性变化的定量分析，可以较好地解释GPS的监测结果，对两者间存在的一些系统偏差做了定性分析。

In this thesis , firstly, TM remote sensing images were geometry rectified , image intensification, mosaic and cropping by using remote sensing image software ENVI, selected computer-aided supervised classification means to cany distribution using TM remote sensing images of qitai County ,and incorporated soil category material to achieve underlaying surface parameter and vegetation cover degree information in the region of interest .

本文运用遥感图像处理软件ENVI对所选的TM遥感图像进行了几何纠正、图像增强、镶嵌和裁剪，选择计算机辅助监督分类方法，对奇台县TM遥感图像进行了解译分类，并结合研究区土壤类型资料得到了研究区下垫面参数和植被盖度信息。

The middle and lower parts of woodland and grassland had higher soil water contents during rainy season, which resulted from smaller evapotranspiration and more infiltrated water with a lower gradient. However, upslope runoff infiltration was another reason for hillslope with a lower cover ratio, such as bare land.

雨季林草地坡中下部土壤水分含量较高的原因，可能主要与其蒸散较小且坡度较缓导致入渗水量较多有关；但是对于植被覆盖度较低的坡地，坡中下部土壤水分含量较高还与上方来水有较大的关系。

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