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Design and realization of engine speed system According to servocontrol technology of D.C and actual equipment, the paper has designed hardware circuit of engine speed system, drive circuit of simulation speed meter and indicator of simulation speed meter.

依据发动机转速系统的数学模型，给出了软件实现框图；依据有关飞行模拟器验证的国家军用标准，利用A/D转换卡采集到的发动机转速系统转速的仿真数据(稳态转速、加速转速和减速转速)，对发动机转速系统的仿真情况进行了验证。4。

At same time, designed software and hardware systems collecting and processing flywheel transient speed of the engine, measured flywheel transient speed fluctuation and indicator diagram of engine under different speed and different load, and testified the effectiveness and reliability of the constructed models.

相应地设计了发动机飞轮瞬态转速采集与处理软、硬件系统，并实测了各种工况下发动机飞轮瞬态转速波动及示功图，验证了所建模型的有效性和可靠性。

In order to display engine's optimum performance, must have a set of variable speed gear, is coordinated the engine the rotational speed and wheel's actual moving velocity.

为了发挥发动机的最佳性能，就必须有一套变速装置，来协调发动机的转速和车轮的实际行驶速度。

The engine used to be equipped with a standard contact breaker, a 3/8 spark-plug and a standard coil for full-size cars. Nowadays the engine is run with a glow-plug .

& 发动机用于配备一个标准的联络断路器， 3 / 8 &星火即插即用标准线圈的全尺寸轿车，如今发动机运行与辉光堵塞。

Engine control system ; EFI ; Electronic spark advance ; Gasoline engine

发动机控制系统；电子燃油喷射；电子点火提前；汽油机

According to the requirement of CNG engine, a high-energy sequential direct ignition system without ignition distributor is designed. Based on the method used in spark advance and dwell control, the system can reach the ignition energy of lean burn CNG engine and work very well in all conditions.

针对增压天然气发动机所需点火能量的要求，研制成功无分电器的高能顺序直接点火电控系统，提出了一种控制各缸点火时刻和点火线圈导通时刻的方法，有效的防止了脉冲的丢失，满足了天然气稀燃所需的点火能量。

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。

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。

Assembled Shifeng "FuXing"six-wheel farming chassis.24 horse power steam plus cycle used single vat diesel engine and 11KW electric motor as motor power;this type can use both diesel engine and motor to operate the machine.

使用时风&福星&六轮农用车底盘，装配24马力蒸循两用单缸柴油机和11KW电动机做动力，可分别使用柴油机和电动机作业。

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。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。