电缆截面是影响电缆经济性的主要技术指标。
Electric cable section is main technical index for affecting cable economy.
连接是影响钢结构经济性的一个很重要的因素。
Connection is an important factor that affects economy of steel structure.
此方法的主要好处就是其规模上的经济性。
The main advantage of this approach is the economy of scale that it permits.
选择空压机的基本准则是经济性、可靠性与安全性。
Choose air compressor is the basic rule of economy, reliability and security.
汽车动力性和燃油经济性是汽车的两个重要性能。
Two important performance of automobile is power and fuel economy.
但是这种结构体系的经济性如何，是大家普遍关心的问题。
But the most concerned problem is how the economy of its structure is.
当输电距离足够长时，直流输电的经济性将优于交流输电。
As the transmission length reaches a certain distance, DC transmission becomes economically attractive over ac.
R290价格低廉，具有良好的经济性。
最终本文提出了热源温度的经济性影响的问题。
Finally, the influence on the economy of the heat source temperature is presented.
火电厂热力系统的经济性分析是论文研究的重点之一。
The economic analysis of the thermodynamic system is one of important studies in this thesis.
但是，它的沉重打击重量从性能和燃油经济性减损。
However, its heavy curb weight detracts from performance and fuel economy.
燃煤电厂的安全性、可靠性和经济性在很大程度上取决于锅炉燃烧系统。
The safe, reliability and economic operation lie on combustion system of boiler.
经实际生产验证，具有较好的经济性和实用性。
It has been proved to be economic and practical by actual production.
经济性是语言的一个重要特性。
规划的经济性清楚地体现在生产水平上。
The economy of planning is plainly seen at the production level.
使用混入了酒精的燃油会降低燃油经济性。
对装置的安全运行，催化剂的寿命，运行经济性进行了讨论。
The plant safety running, the catalyst life time and the running economy was discussed.
速度与规模是风险投资必须遵循的经济性原理。
Speed and scale are the economic principles with which risk investment must comply.
而在紧急情况下，首要目标是运行的安全性，其次才是经济性。
In emergency condition, the first objective is to operative security, secondary is economically.
经济性是热电制冷器设计与使用的核心问题。
Economy of the thermoelectric refrigerator is the focus of attention in its design and application.
燃油经济性是载货汽车最重要的性能指标之一。
Fuel economy is one of the important performance target for the cargo truck.
并对此工艺的经济性作了分析。
没有停顿的稳定车速通常会有最好的燃油经济性。
Steady speeds without stopping will usually give the best fuel economy.
操作上的经济性总是最基本的要求。
许多企业只关心质量的技术性指标，而忽视了质量的经济性。
Many enterprises just concern about quality's technical index, but ignore its economical efficiency.
通过实例计算，证明具有较好的经济性和实用价值。
The example showed that the method is economical, reliable and efficient.
译：经济性准则：程序员的时间是宝贵的，用机器时间来保护程序员的时间，即如果和机器时。
Rule of Economy: Programmer time is expensive; conserve it in preference to machine time.
机泵设备安全运行的经济性。
机泵设备安全运行的经济性。
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