problem soil

The paper analyzes the leakage and risks of throbbing pipe and points out that the present method of water tightness test is not suitable for the throbbing pipe construction in the soft-soil and high-water-level area, putting forward ways to solve the problem.

本文对顶管施工后的渗漏及其危害性进行分析，指出了当前普遍采用的闭水试验验收方法不适合高水位软土地区顶管施工，提出了相应解决办法。

The optimum design of above problem was discussed where the maximum horizontal displacement of the earth-retaining pile wall was taken as the constraint condition, the interval of the soil anchors as variables and the minimum stiffness of the earth-retaining pile wall as the target function.

本文进一步以挡土桩最大水平位移为约束条件，以锚杆布置间距等作为变量，以挡土桩的最小刚度为目标函数进行优化。

Urban information change is an important problem relation to our country long time development, it's importance nothing less than water resource problem, food provision problem and soil employ problem.

城市信息化是关系到国家长远发展的重大问题，其重要性决不亚于水资源问题、粮食问题和土地问题。

To solve horizontal thrust at arch feet and rheological change in soft soil is the first problem for arch bridge construction on soft soil ground.

在软土地基上建造拱桥首先要解决拱脚处的水平推力以及软土地基的流变问题。

The study of slope length effect on runoff, sediment yield and dynamics process is the breakthrough to reveal erosion mechanism on slope and is the basic problem to solve sediment transport mechanics, soil erosion and soil and water conservation.

坡面径流侵蚀产沙及动力学过程的研究是揭示坡面侵蚀产沙机理的突破点，是泥沙运动力学、土壤侵蚀和水土保持学中亟待解决的基础问题。

The soil drains freely and slugs aren't a problem.

土壤排水畅通，鼻涕虫就不会造成什么麻烦。

Soil salinization, threating the development of agriculture, is a global problem. One third of the irrigated land worldwide undergoes salt stress and the soil salinity area increases year by year, which causes heavy losses to agricultural production.

土壤盐化对农业的威胁是一个全球性问题，在世界范围内，灌溉土地的1/3受到盐分胁迫，且土壤盐化面积逐年增加，从而给农业生产造成重大损失。

Finite layer analysis of three-dimensional excavation problem of transverse isotropic soil

三维横观各向同性土体开挖问题有限层求解

The Problem of Washing Salt in Soil by Plant Rice in Aksu, Xinjiang

新疆阿克苏地区种稻改良盐渍土问题

Soil productivity and biodiversity decline is a popular problem in the soil of Eucalyptus plantation.

土壤肥力下降、生物多样性减少是桉树人工林普遍存在的问题.