The proton exchange membrane fuel cell (PEMFC) is one of the most promising power sources for future electric vehicles due to it's high power density and energy conversion efficient.
质子交换膜燃料电池（PEMFC）具有较高的功率密度和能量转化效率，最有可能成为电动汽车的动力源。
These transitions occur frequently but only require a one-time conversion cost and thereafter can be obtained in the efficient form.
这些转化是很频繁的，然而其转化代价却是一次性的，之后就可以以有效形式获取。
OCTETS as a string unit specification does not require any conversion and is more efficient.
OCTETS作为一种字符串单元指定不需要任何转换，而且使用起来更加有效。
"It's mostly because of the conversion from combustion engines," like those in cars, Jacobson says, "to electric motors, which are much more efficient."
“主要因为从内燃机到电机的转换，比如汽车，这将更加节省燃料。”雅格布森说。
The most efficient solar panels currently in use (on the space station) are costly, and their conversion efficiency is about twenty percent, which is not very much.
现在使用中的最高效的太阳能电池板（在空间站服役）成本高昂，但是能量转换效率并不是很高，只有20%。
Highly automated conversion utilities enable it to migrate to EGL in a cost-effective, efficient manner, which greatly reduces risk and shortens the migration process.
高度自动化的转换使IT以节省成本、高效的方式移植到EGL，这大大减少了风险并缩短了移植过程。
But because the laser beam is comprised of a single wavelength of light, the conversion to electricity is much more efficient than converting multiple wavelengths of sunlight to energy.
但由于镭射光束是有一单一波长的光组成，它的转化就要比拥有多种光波的太阳能转化成能量效率更高。
Construction adopts double line design, "linear bridge" series sky lobby, learning, life can be efficient conversion.
建筑均采用双流线设计，“线性天桥”串联空中大堂，学习，生活可高效转换。
Crystalline silicon must be made200microns thick to absorb a sufficient amount of sunlight for efficient energy conversion whereas only1micron of the proper amorphous materials is necessary.
必须要使晶体硅达到200微米厚，才能吸收足够的阳光进行有效的能量转换，而合适的非结晶体材料只要1微米厚就够了。
Efficient power conversion circuitry can minimize the loss to save energy and protect environment.
高效的功率转换电路把损耗降到最低，节能环保。
Earlier springs that confuse migratory birds, more efficient farming and the conversion of dilapidated buildings (good for nesting) into modern homes have all contributed to these woes.
造成这种灾患的原因包括迷惑候鸟的早春，更高效的耕种以及危房(适宜筑巢)向现代房屋的转变。
The result is a faster and more efficient conversion into electricity.
其结果是更快更有效的转化为电能。
The efficient conversion and utilization of renewable lignocellulosic biomass is the hot research interest of the world.
将可再生的木质生物质有效地转化利用是当前全球研究的热点。
We must not only focus on the construction of energy-efficient to reduce energy use, but also must consider as a low quality (moronity value of the conversion rate) energy.
建筑节能不仅要着眼于减少能源的使用，也必须考虑尽量采用低品质(低能值转换率)的能源。
Finally, an efficient method for realizing the conversion of node mode is also presented.
同时还给出一种考虑节点类型转化的便利实现方法。
Crystalline silicon must be made 200 microns thick to absorb a sufficient amount of sunlight for efficient energy conversion, whereas only 1 micron of the proper amorphous materials is necessary.
必须要使晶体硅达到200微米厚，才能吸收足够的阳光进行有效的能量转换，而合适的非结晶体材料只要1微米厚就够了。
Our entire human society will be faced with a long-term problems that how to put combustion the most common energy conversion mode more efficient, less impacted to the environmental.
如何把燃烧这种最为普遍的能量转换方式变得更为高效、对环境影响更小，将是我们整个人类社会面临的一个比较长期问题。
Therefore, the, author has successfully made a series of conversion to traditional separator by adopting NHX high efficient rotor classifier technology.
为此，结合NHX高效转子式选粉机技术，作者在某厂对传统离心式选粉机进行了一系统的技术改造并获成功。
DC air conditioning is simpler to install and more efficient than an AC unit, because you do not need an inverter and the waste of its roughly 85% power conversion effectiveness.
DC冷气系统安装更简单而且比起ac冷气系统更有效，因为你不需要变流器并且也不用浪费大约85%的能量转换效率。
Biomass pyrolysis is an efficient process of biomass conversion with high yield of liquid fuel, which makes biomass the most promising renewable energy to substitute the conventional fossil fuel.
生物质热解液化技术得到的燃料产率很高，是高效率的生物质转化过程，并使生物质成为最有可能部分代替化石能源的可再生能源。
Medium and high temperature desulfurization was regarded as one of the key techniques in efficient and clean conversion of coal.
中高温煤气脱硫净化是煤炭高效、清洁转化的关键技术。
Geographical information systems development and optimize the structure of spatial data closely, raster and vector data efficient conversion of data between the GIS is one of the key technologies.
地理信息系统开发和优化的空间数据结构紧密，光栅和矢量数据之间的地理信息系统数据的有效转换的关键技术之一。
Nowadays, environmental pollution and energy crisis has caused global concern. There is a growing attention to efficient energy conversion and environmental friendly fuel cells.
在当今世界，环境污染和能源危机已引起了全球关注，人们越来越重视能量转化效率高的而且环境友好的燃料电池。
Effect factor of CO2 conversion rater in urea reactor is analyzed, the application and result of using the new high efficient urea reactor internals is introduced.
分析了尿素合成塔co2转化率的影响因素，介绍了新型高效内件应用情况和效果。
The highly efficient power conversion circuit not only minimize losses, but also save energy and protect environment.
高效的功率转换电路把损耗降到最低，节能环保。
High efficient laser could be obtained by up-converting, so a most important task is to improve the efficiency of up-conversion.
通过对上转换的研究可以得到效率更高的激光器，而提高上转换效率是当前研究的重中之重。
An improved capacitor error averaging technique was developed to make the conversion more efficient.
为了提高性能指数，该文提出了一种改进的电容误差平均技术。
That is to realize a highly efficient and clean use of energy with the help of conversion. Improvements are to be made in raising the…
要提高能源利用效率，强化节能，同时要对煤炭开发利用产生的污染进行全过程控制。
That is to realize a highly efficient and clean use of energy with the help of conversion. Improvements are to be made in raising the…
要提高能源利用效率，强化节能，同时要对煤炭开发利用产生的污染进行全过程控制。
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