这因为这样，圣地亚哥大学和国内周边的研究人员正在致力于开发第三代生物燃料，这种燃料能直接代替现行的汽油、柴油和喷气式发动机燃料。
Because of this, researchers at SDSU and around the country are pushing ahead to develop third generation biofuels that could be used as direct replacements for gasoline, diesel or jet fuel.
第三，因为燃料电池发动机的使用费用比内燃机发动机低，燃料电池发动机很快就会在价格上很有竞争力了。
Third, fuel-cell engines will soon be economically competitive because people will spend less money to operate a fuel-cell engine than they will to operate an internal-combustion engine.
第三，当你知道制造燃料电池发动机有多贵的时候，你就不会认为使用它省钱了。
Third, there won't necessarily be any cost savings when you consider how expensive it is to manufacture the fuel-cell engine.
分析了燃料电池发动机辅助系统功率的变化特点及其规律，并在试验研究的基础上，通过反三角函数进行改造，建立了辅助系统功率特性的半经验模型。
A semi-empirical model of a parasite system power of a fuel cell engine is developed by modifying the antitrigonometric function, and is verified by different test data.
第三章详细说明了燃料电池发动机尾气能量回收的方案和具体的设计、实施过程。
Chapter 2 introduces and analyses the air supply system in fuel cell engine in detail.
一辆尚处于实验阶段的清洁能源汽车依靠天然气行驶。另一辆使用从谷物蒸馏而来的酒精。第三辆则装有由氢燃料电池提供能量的零排放发动机。
One experimental clean-energy car runs on natural gas. Another USES ethanol distilled from corn. A third has a zero-emissions electric motor powered by a hydrogen fuel cell.
第三，选用发动机电控系统传感器，设计了对应的信号处理电路和电控燃料喷射器电磁阀的驱动电路。
Third, the signal processing circuits were designed for the selected engine sensors and the drive circuit for the electromagnetic valve of electronically controlled injector.
第一节车头为驾驶室和柴油发动机厢，第二节车头被一个硕大无朋的十缸燃气轮机所占据，第三节车头装着24,000加仑的燃料。
The first held the control cab and a diesel generator; the second, an enormous oil-burning ten-combustion chamber gas turbine engine; the last, 24,000 gallons of fuel.
第一节车头为驾驶室和柴油发动机厢，第二节车头被一个硕大无朋的十缸燃气轮机所占据，第三节车头装着24,000加仑的燃料。
The first held the control cab and a diesel generator; the second, an enormous oil-burning ten-combustion chamber gas turbine engine; the last, 24,000 gallons of fuel.
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