水土

As setting up simple monitoring area in spoil ground to measure the gully erosion amount, the soil erosion was calculated. More, the rainfall erosion forces and their best combination of the railway in the red-earth region of southern China were established. The slope erosion of the Yong-Tai-Wen railway mainly presented as vertical zonations.

在弃土场区域内布设简易水土流失观测场和测定区域内沟蚀量的方法来计算土壤侵蚀量，研究了弃土场的土壤侵蚀特性，确立了南方红壤区铁路工程的降雨侵蚀力及最佳降雨侵蚀力的组合。

Spearmint oil can be used as spice, it can be used to produce freshener and low-poison pesticide with high economic effect.

3%，减沙效率达71.5%，能有效地控制水土流失；③留兰香油可作调味香料，也可开发成系列清凉保健产品和高效低毒的植物杀虫、驱虫制剂，经济效益佳。

Firstly,soil erosion modulus was estimated using USLE and maps of soil density and soil horizon thickness were derived from detailed soil survey data.

土壤侵蚀是造成地表水土流失的直接原因，也是我国国土整治的主要目标和任务[2]。

The shelter belt halted the soil erosion.

防护林带防止了水土流失。

The shelter belt halt ed the soil erosion.

防护林带防止了水土流失。

The method will be of some help to calculating mud content of sea water, river water or flood by means of hyperspectral remote sensing image, and also to estimating the am...

该方法对今后利用高光谱遥感图像计算河流和海水中的泥沙含量及估算水土流失量具有一定的参考意义

But Yangtze river economy rone faces with many problems. Soil erosion is the first environment problem in the upper reaches of the Yangtze river(Gu Shengzu, 1998). Of course it is the first problem of the Yangtze river economy zone.

但是长江流域和长江经济带的可持续发展也面临很多问题，长江上游的主要问题是水土流失，该问题已成为我国生态环境的头号问题(辜胜阻，1998)，当然也是长江全流域开发治理的头号问题。

Besides, we have loss of wildlife habitat, soil erosion and other environmental damage.

另外还有野生生境的损失、水土流失及其他环境的破坏。

The survey and management of Landslides is the important field in the catchment management, soil water conservation and hazard protection.

崩塌地的调查与管理是集水区、山坡地水土保持及灾害防治的重要课题，同时也是卫星遥测影像可利用的一个方向。

The construction of urban eco-park may cause both the shortage of water resources and serious water and soil loss problems in the city.

中文摘要：城市生态公园营建中存在水资源短缺问题，还可能造成严重的城市水土流失。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。