水土

The key of water-saving irrigation in orchard is that water should be distributed to every fruit trees evenly. Avoid waterlog and drought, make the trees absorb the water fulty, keep and natural environment in good condition.

果园节水灌溉技术的关键是使灌溉水量尽量均匀分配给每棵果树，避免过饱和极欠缺等不均现象的发生，发挥果树吸水能力，保持水土的良好状态。

In this paper some main geological hazerds in SanJiang plain region in the process of agri-caltrual development, such as soil erosion, seline-alkaline soil, flood and waterlog hazard, en- vironmental pollution, wind erosion to soil are discussed.

本文着重阐述了我国三江平原地区在农业开发过程中出现的水土流失、土壤风蚀砂化、盐碱土，洪涝灾害、环境污染等主要环境地质问题，并以实例说明了其危害

Watershed management is one of the most efficient ways for soil and water conservation in China.

小流域综合治理是我国开展水土保持生态环境建设的主要方式和途径之一。

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。

Compared with point sources, Non-point sources are usually that various lashed pollutants which move and transfer with water and soil to acceptive water body because of storm's dynamic action and surface runoff.

点源是指通过排放口进行集中排放的污染源；非点源，是相对于点源而言的污染源，通常意义的非点源是指由于暴雨的动力作用，地表产生径流，各类污染物质随水土迁移，对受纳水体形成的冲击性污染。

Andropogon: Grass used for erosion control.

须芒草：用于控制水土流失的一种草。

Andropogon Grass used for erosion control.

用于控制水土流失的一种草。

Andropogon Gra used for erosion control.

用于控制水土流失的一种草。

The soil on flat arboreous and covering hillside does not corrode, prevent river water to sweep soil, rise to hold the action of natural environment.

倒下的树木掩护山坡上的土壤不被侵蚀，防止河水冲走土壤，起到保持水土的作用。

Main Indications: Lumbago, gout, arthrodynia, myasthenia, limb numbness, pains induced by acclimation fever and rheumatism osteocope and arthritis, etc.

适应﹕ 腰腿疼痛，关节作痛，筋骨无力，四肢麻木，血少风多，偏正头风，头痛脑胀，神经衰弱，以及因水土或风湿所引起之大骨节和关节炎等症。

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。