发动机

The effects of different compression ratios and spark advance angles on the performance and emission of the LPG engine were studied. Through the designed control system, the quantity of injected LPG and ignition timing in different operations can be controlled automatically.

借助设计的控制系统实现了发动机各个工况下喷气量和点火定时的控制，并通过试验对发动机燃用汽油和LPG两种情况下的性能进行了对比分析。

Because of the adding of engine operating parameters such as engine speed, spark advance, equivalence ratio, intake air pressure, intake air temperature to the model, effects of these parameters on cyclic variation can be estimated quantitatively.

由于把发动机运行参数，如转速、点火角、计量比、进气压力和进气温度等加入该模型，可定量地估计这些参数对发动机循环变动的影响。

One new auto-optimized fuzzy control model of car-engines based on genetic arithmetic was introduced aiming at the problem that the parameters of car-engine are of the discreteness, the nonlinear and the uncertain characteristics, with which it is difficult to control accurately the excess air coefficient and the spark advance angle in dynamic procedure when using a conventional control model.

针对汽车发动机参数具有离散性、非线性和不确定性，采用传统控制模型难以精确控制瞬态过程的过量空气系数和点火时刻的问题，提出了一种基于遗传算法的发动机自寻优模糊控制模型。设计了实现该控制模型的嵌入式控制器，讨论了实时在线仿真基础上，采用遗传算法对模糊控制参数的自动寻优。

The conclusion is that the maximal gradient: of the tractor skidding trail depends on: the adhesive force while the tractor is uphill without load, when the full loaded tractor is downhill using the engine to brake the tractor and control the tractor velocity, the reliable lubrication of the engine.

结论是：规范关于集材坡道最大坡度的规定，主要由空车上坡时附着力、重载下坡时利用发动机制动且变速器挂低档控制拖拉机下滑速度及保证发动机可靠润滑等因素决定。

The effects of the main parameters on engine performances are studied by numerical simulations and experiments carried out on a single-cylinder engine with this system.

通过试验和理论计算研究了各主要参数对发动机性能的影响，并测录了发动机的主要性能。

The list of standard items on the SR5 and Limited grades, includes the 276 hp 4.7L V8 engine and automatic transmission, Toyota's STAR Safety System, Electronic Brake Distribution with Brake Assist, side curtain airbag with rollover sensor, engine immobilizer with alarm, direct tire pressure monitoring system, seating for eight passengers, eight-way manually adjustable driver's seat, four-way manually adjustable front passenger's seat, fold-flat feature for second- and third-row seats, auto tri-zone air conditioning, power windows, locks, back window, keyless entry, AM/FM/CD eight-speaker audio system with a mini-plug for iPod compatibility, rear wiper and defogger, tilt/telescope steering wheel, cruise control, spare tire and mud guards.

关于从SR5和有限等级标准的项目清单，包括276马力的4.7L V8发动机和自动变速箱，丰田的STAR安全系统，电子制动带制动辅助系统，侧帘的翻滚感应器，发动机防盗报警，直接轮胎气囊分布压力监测系统，对8名乘客，8路手动调节驾驶员座椅，四向手动可调前排乘客座椅，折叠功能单位为第二和第三排座椅，自动三区空调，电动车窗，座位锁，后窗，无钥匙进入，调幅/调频/光盘8喇叭音响系统与一个小型的iPod兼容，后雨刷和防雾膜，倾斜插/伸缩式方向盘，巡航控制系统，备用轮胎和挡泥板。

Troubleshooting: According to the mechanic to reflect the phenomenon of the car and the car carburetor set JJM8 Pressure Gauge Valve the "automatic start-enriched electric device" the characteristics of analysis, the causes of the car is cold engine starts automatically when the electric-type plus thick needle device can not be opened, so that combustible mixture can not add thick, can not meet the needs of the engine cold start.

故障分析与排除：根据修理工反映该车的现象与该车化油器上设置有&电热式自动启动加浓装置&的特点分析认为，该车故障的原因是发动机冷态时电热式自动启动加浓装置的针阀不能开启，使可燃混合气不能加浓，不能适应发动机冷态启动需要。

High speed rotation solid propellant rocket motor recording apparatus which we designed is going to resolve pressure testing of rocket motor in high speed rotation.

本文设计的高速旋转固体火箭发动机内置动态参数记录仪，着重解决火箭发动机在高速旋转状态下压力测试问题。

According to the structural design of micro engines without ring and pin, the dynamic model describing piston secondary motion is developed, the simulation of piston continue trajectory is finished and the effect of working parameters under ideal condition is studied too.

微小型活塞式发动机是目前最合适的动力源，但理论研究尚未涉及。论文重点发展柱塞横向运动的建模与仿真技术，并从摩擦学的角度对微小型发动机的设计问题作理论探讨。

Cummins manufactures and markets a complete line of diesel engines for on-highway and off-highway use and natural gas engines for automotive and stationary applications.

发动机事业部生产和经销功率范围宽广的柴油和天然气发动机以及相应的零部件产品，用于汽车、工业和发电设备等领域。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。