Decades of operation have heated the very soil through which the tunnels run and led to the sweaty climate familiar to today’s passengers.
经过几十年的运作,地铁来来往往那里已变得热了起来,以至如今演变成为乘客所知汗流浃背的环境。
All sorts of obstacles hindered this operation, some peculiar to the soil, others inherent in the very prejudices of the laborious population of Paris.
各种障碍阻挡了这一工程,有的是因土壤的性质,有的是因巴黎劳动人民的成见。
The design principles, system structures, system functions, system characteristics and operation environments of Agricultural Soil Water Engineering Information system (ASWEIS) have been introduced.
介绍了农业水土工程学科信息管理系统(asweis)的设计原则及系统的结构、功能、特点和运行环境。
In the soil resource management information system based on GIS, the most basic operations are the operation of map, the attribute data inquiry and statistics and spatial data inquiry as well.
在基于GIS的土壤资源管理信息系统中,最基本的操作是对地图的操作、属性数据的查询和统计以及空间数据的查询。
Courses provide a practical knowledge of soil conservation and irrigation management, entomology, landscape design, and the operation of light machinery for cultivating and pruning landscape plants.
课程提供了土壤保护和灌溉管理,昆虫学,景观设计的实用知识,以及轻工机械操作和修剪园林植物技能的培养。
After projects are put into operation, the emphases of soil loss monitoring are landslide and bank collapse.
工程建成投入运行后,水土流失监测的重点是库区的滑坡、岸。
More moisture content and higher soil initial temperature are favorable to the design and operation of GSHP systems.
当土壤含湿量大、土壤初始温度高时,对于系统的设计与运行是有利的。
How to make the backfilled soil of pipeline trench stabilized in an effective manner is a major concern for the normal operation of pipeline.
如何采取有效的手段保持管沟回填土,是涉及管道正常运营的大问题。
The whole insulation joint is in good condition under soil pressure, specified pipeline operation pressure and factory or field hydraulic test.
在土壤压力、规定的管道操作压力和厂内或现场的水压测试下,整个绝缘接头保持完好。
The discharge water should be treated during field operation of excavation and remediation of soil as well as new construction to reduce environment pollution.
提出,在作土壤开挖、修复和新建工程项目过程中,工程施工排水应处理后方可排放,以减少对周围环境水体的影响;
The operation of the invention is agility, precise dynamic monitoring can be performed for the salinity in the saturated soil solution, and the invention has wider application prospect.
本发明操作灵活,对饱和土壤溶液中盐分可以进行较为 精确的动态监测,本发明有着较为广阔的应用前景。
Measurement of soil moisture is one of important operation of agrometeorological observer.
土壤水分测定是农业气象观测员的一项重要业务之一。
The engineering applications showed that this perforator has many advantages, for examples, simple in structure and operation, applicable for various kinds of soil stratum.
工程应用实例表明,这种穿孔器具有结构简单,效率高,操作简便,适用于各种类型的土层等优点。
Presents the solid phase increasing method in detail and applies it to simulate the phase change process. Analyses the operation performance of soil charge and discharge.
详细介绍了固相增量法模型并将它应用于模拟土壤蓄冷与释冷的相变过程,初步分析了土壤蓄冷、释冷的运行特性。
Senator Rand Paul has concerned about the operation of drones in the potential for drones to target US citizens on American soil.
参议员兰德·保罗担心无人机会被用于美国本土来射杀美国公民。
Analyses the influence of some factors on the operation performance of inner coil, such as coil material, soil type, charging temperature, fluid flux, coil spacing and moisture content of soil, etc.
分析了盘管管材、土壤类型、蓄冷温度、流体的流量、盘管间距以及土壤含水率等因素对管束内层盘管运行特性的影响。
The construction of the power plant and the operation of cooling towers and other buildings will make the moisture content of the soil have a certain increase.
电厂施工及冷却塔等建筑物运行后会对土体的含水率有一定的增加。
This paper mainly introduces the change from manual operation and artificial survey of domestic triaxial boxshear apparatus to microcomputer control and detection for soil test.
介绍了国产三轴剪切仪由手动操作和人工测量改为微机控制及检测的系统 。
The results showed that after skidding operation, the soil density increased, the soil moisture condition got bad, the soil porosity and the contents of soil nutrients decreased.
通过对半悬索道集材后林地土壤理化性质的分析,结果表明:半悬索道集材后土壤容重增加,土壤结构和水分性能变差,土壤养分含量下降。
The preparing soil sample made by indoor vacuum pre-stressing have advantages of short solidification period and simple operation.
室内真空预压制备土样,具有固结时间短、简便易行等优点,适用于岩土工程的理论研究和实际工程的模拟试验。
The utility model has a good anti-corrosion performance due to the good anti-corrosion performance of the concrete and the capability of long-term operation in the soil.
由于混凝土的抗腐蚀性能良好,能够很好地在土壤中长时间工作,因此本实用新型具有优良的抗腐蚀性能。
Mechanized tillage and soil preparation technology is a fundamental part of mechanized farmland operation technology.
机械化耕整地技术是最基本的农田作业机械化技术。
Analyses the operation performance of soil charge and discharge. This method solves the problem of nonlinear iterative oscillation successfu…
运用该模型解决了土壤冻融相变过程中非线性迭代的振荡问题,加快了迭代收敛速度。
The land wheel has simple structure, low rotating slip ratio of driving operation and reliable driving, and has the function of automatically removing soil without sticking soil.
本地轮结构简单,驱动作业转动打滑率低,驱动可靠,且具有自动清除泥土功能,不粘土。
For dryland wheat, subsoiling operation could increase pre planting soil moisture, improve sowing quality and the yield could be increased by 10% compared with conventional tillage.
对于旱地小麦,利用可调翼铲式深松机深松后,可以增加播种前土壤含水量,改善播种质量,提高作物产量;
The hydraulic reversing plough has the advantages of small rotation radius, flexible rotation, leveled soil plowing, good tillage effect, high plough frame intensity and high operation efficiency.
转动半径小、转动灵活,翻地平整,耕地效果好、犁架强度高,作业效率高。
The difference of soil nutrient between operation units can be learned from the maps, and the decision and operation for variable rate fertilization can be made according to the difference.
依此可以了解田间土壤养分差异,并根据该差异进行变量施肥决策和变量施肥作业。
The difference of soil nutrient between operation units can be learned from the maps, and the decision and operation for variable rate fertilization can be made according to the difference.
依此可以了解田间土壤养分差异,并根据该差异进行变量施肥决策和变量施肥作业。
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