查询词典 engineering economy

Steel structures have a more and more important position in the modern structural engineering as a result of the development of economy and technology.

随着经济技术条件的发展，钢结构在现代建筑结构中的地位越来越重要。

Thermal power engineering ; extraction steam pressure loss ; thermodynamic system ; thermal economy ; matrix method

热能动力工程；抽汽压损；热力系统；热经济性；矩阵法

As a new type of construction material with appropriate behavior and economy, cement- soil is widely applied in many engineering field.

水泥土是一种廉价的地方性建筑材料，它的突出优点在于经济实用，此外，它还具有原料来源广泛、能改善土性、强度可调、可塑性好、能够立即成型等优点。

Power and mechanical engineering ; boiler ; dense phase pulverized coal ; stable combustion ; burnout ; furnace slagging ; economy

动力机械工程；锅炉；高浓度煤粉；稳燃；燃尽；炉膛结渣；经济性

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: P42DC American AMTRAK the railroad company P42DC skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train +2 compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose!

最新到货的正版香港NewRay品牌合金车模： P42DC 美国AMTRAK铁路公司P42DC型干线列车模型，著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢，每个时代的AMTRAK的火车头都是美国经济发展的运输功臣，粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比，是全世界火车爱好者极力追捧的对象。1比87比例，锌合金+ABS工程塑料材质，超精致的漆面做工，一个独立动力车头+2节车厢，可随意拼装，独特的升降式自充电系统，使用4节普通的5号电池即可，充电一分钟即可让火车在轨道上奔驰3分钟，超长超多品种的自组装轨道，可自由组装任何你喜欢的轨道形状，轨道的最大直径可达到127.5厘米，内有8根直轨，10根弯道轨，并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道，绝对是你爱不释手的超酷好东东，更是馈送礼品的绝佳选择！

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: F7 American AMTRAK the railroad company F7 skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train + three compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose!

最新到货的正版香港NewRay品牌合金车模： F7 美国AMTRAK铁路公司F7型干线列车模型，著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢，每个时代的AMTRAK的火车头都是美国经济发展的运输功臣，粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比，是全世界火车爱好者极力追捧的对象。1比87比例，锌合金+ABS工程塑料材质，超精致的漆面做工，一个独立动力车头+三节车厢，可随意拼装，独特的升降式自充电系统，使用4节普通的5号电池即可，充电一分钟即可让火车在轨道上奔驰3分钟，超长超多品种的自组装轨道，可自由组装任何你喜欢的轨道形状，轨道的最大直径可达到127.5厘米，内有8根直轨，10根弯道轨，并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道，绝对是你爱不释手的超酷好东东，更是馈送礼品的绝佳选择！

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: F59PHI American AMTRAK the railroad company F59PHI skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train +2 compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose !

最新到货的正版香港NewRay品牌合金车模： F59PHI 美国AMTRAK铁路公司F59PHI型干线列车模型，著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢，每个时代的AMTRAK的火车头都是美国经济发展的运输功臣，粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比，是全世界火车爱好者极力追捧的对象。1比87比例，锌合金+ABS工程塑料材质，超精致的漆面做工，一个独立动力车头+2节车厢，可随意拼装，独特的升降式自充电系统，使用4节普通的5号电池即可，充电一分钟即可让火车在轨道上奔驰3分钟，超长超多品种的自组装轨道，可自由组装任何你喜欢的轨道形状，轨道的最大直径可达到127.5厘米，内有8根直轨，10根弯道轨，并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道，绝对是你爱不释手的超酷好东东，更是馈送礼品的绝佳选择！

Engineering and scientific research are also important to the economy, as is tourism.

工程和科研也很重要的经济，这是旅游业。

Ecological research is complex system engineering; it is not only concerned with nature resources but also with society, economy, literae humaniores and other environments.

农业生态研究是一个复杂的系统工程，它不仅与某一单项因素紧密相关，也和自然界中诸多生态环境、社会经济背景有着密切的关系和交互影响。

Research on the natural attribute of water resources is the stretch of hydrology in hydrologic cycle, and the knowledge in water resources involve hydrology, engineering, environmental science, management science, economy and etc..

水资源的自然属性的研究是水文学在水文循环领域的延伸，而水资源学的知识是水文学、工程科学、环境科学、管理科学、经济学等学科在伸向水资源领域的横截面。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。