查询词典 engineering economy

According to examples of engineering, the economy of gas storage between high pressure pipeline and spherical gasholder is compared, and the utilization condition of gas storage with high pressure pipeline in gas transmission and distribution system is discussed.

结合燃气输配系统实例，比较了高压管道与球罐储气的经济性，讨论了高压管道在城市燃气输配系统中的使用条件。

In the last decade of 20th century, because of the express city development speed and the population hoick, the old city area as well as the new ones were facing the same problem that the existing establishment and the Environment could not meet the basic requirement of the continuate growth of economy. Therefore, the scheme using the limited funds to make urban Architectural decoration engineering appeared, and run splendid result in a short time. Immediately, it formed a wave tide, and regularized launched in the regions around the country.

在二十世纪九十年代末，由干城市发展速度及人口的急剧上升，老的城区和新开发的城区都面临着同一个问题，即现有的城市设施和面貌，已经无法构成拉动经济持续增长的基础条件，因此，运用有限的资金，提出进行城市建筑整饰工程的方案正式出台，并在短期内卓见成效，随即形成了一股浪潮，在全国范围内的各个地区成规模化地全面展开。

After earthquake and volcano, Landslide is the third natural disaster that greatly threat the construction work as well as human life and propriety . Because of the high-speed development of the economy and the increasing frequency of the construction work, the problem of landslide becomes more and more obvious in China where the landside is widely distributed almost all over the provinces. As a result, in order to prevent and reduce this disaster, the subject of landslide treatment becomes a researching hotspot in the academia and the engineering fields both at home and abroad.

滑坡是位于地震、火山之后的第三大自然灾害，它对人类工程建设和生命财产带来重大的威胁；我国也是滑坡广泛分布的国家，滑坡几乎遍及各个省区，随着经济建设的高速发展，工程活动日益频繁，遇到的滑坡问题也越来越突出，为了防灾减灾，滑坡治理这项课题日益成为国内外学术界和工程界的研究热点。

Regulating of lignin content through gene engineering plays important roles in environment protection and economy.

通过基因工程手段调控木质素的生物合成具有重大的环保价值和经济价值。

While Highway is an infrastructure of national economy and it is an engineering project being multipoint and having long length.

公路是国民经济的基础设施，是点多、线长的工程项目。

As an important engineering material, nodular cast iron is widely used in each department of national economy.

作为一种重要的工程材料，球墨铸铁广泛应用于国民经济各部门。

Quadratic programming is not only the base of the nonlinear programming, but also it is widely used in economy and engineering.

二次规划不仅是非线性规划的基础，而且它还被广泛的应用于经济、工程等领域中。

With the development of social economy and engineering technology, a lot of overlong concrete structures have been constructed throughout the country. An important study on these structures is how to deal with structural cracks aroused by temperature variation and concrete shrinkage.

随着经济的发展和工程技术的进步，全国各地涌现出了一大批超长混凝土结构，对这些结构的研究重点之一就是如何处理温度作用和混凝土收缩引起的结构开裂。

Becomes silted up field dam as originally create prevent and cure run-off of soil important engineering measure in loess tableland area people crowd long-term practice, at ameliorates ecological environment and agriculture production condition, constructs stable production high yield basic farm, adjusts village industry structure, high power takes advantage of water resource, consolidate quit plough give back forest, gives back grass harvest, promotes rural economy develop wait for aspect, too exert most important effect.

淤地坝作为黄土高原地区人民群众长期实践中独创的防治水土流失的重要工程措施，在改善生态环境及农业生产条件、建设稳产高产基本农田、调整农村产业结构、高效利用水资源、巩固退耕还林、还草成果、促进农村经济发展等方面，也发挥着极其重要的作用。

Polyoxymethylene is one of the important engineering plastics. Its modification is in great demand for the national economy.

聚甲醛是一种重要的工程塑料，其高性能化是国民经济关键需求。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。