Dyno ： dynamic movement towards a distant hold , aka dead point 动态：在距离很远的点使用，没抓好可能就坠落了。
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A good spotter , well versed in these techniques , can give you the confidence to pull that dicey upside - down move , big dyno , or airy , highball topout 作为一位优秀的确保者，必须精熟以上的抱石确保技巧，才能使抱石者放心地尝试冒险的头冲下、大动态、飞跃等危险动作。
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New sports exhaust system with electronic programmable butterfly - valve control ( available in 2different sound levels ) . this cat - back performance exhaust system was developed on the dyno 新的运动型排气系统由可编程的蝴蝶阀控制（有两档可以调节声音的大小） ，使这个猫背式排气系统的功效发挥到了极致。
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For example the infrastructure of the technical center consists of engine dyno , chassis dyno , emission measurement and state - of - the - art product development and testing tools etc 该技术中心拥有发动机动态测量系统、底盘动态测量系统、排放测量及尖端产品开发和测量工具等先进的博世设备，着力于燃油喷射系统的匹配，是博世柴油系统在中国的研发基地。
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Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system , and power and torque output of lpg engine are improved by increasing compression ratio , and ignition characteristic is tried to adjusted to satisfy engine performance . meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine . ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque , fuel economy , as well as emission than former gasoline engine 选择了等比例长孔式混合器控制空燃比；通过提高压缩比来弥补动力性的损失；以动力性为主控目标，对最大功率点、最大扭矩点、中等转速、最低转速点所对应的发动机转速做了点火特性的调节；通过空燃比的合理控制，直接改善发动机的动力性、经济和排放指标；作为对缸内燃烧过程的理论分析，进行了燃烧特性的实验测试；对原汽油机和新开发的液化石油气发动机，进行了外特性和部分负荷特性以及怠速的排放及噪声对比性测试。
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Furthermore , it is also verified by chassis dyno tests that lpg motorcycle has better emission performance than gasoline engine , and has better acceleration performance e . g . exceed acceleration than former gasoline engine , and has low noise level characteristics as well as has ability to achieve equivalent level fuel economy performance compared with former gasoline engine 整车动力性、经济性和排放性转鼓台架试验对比表明： lpg摩托车整体排放性能优于汽油摩托车；最高车速略有下降但加速性基本与汽油摩托车相同(超越加速性优于汽油摩托车) ； lpg摩托车具有良好的低噪声特性，且整车燃料消耗率及其经济性与原机基本相当。
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Then following reality constituent of engine and connecting component interface , a nonlinear signal cylinder engine model has been created , though fire interval and fire order , a control - oriented four cylinders engine is build . following dynamometer is seen as load , performance of engine is simulated and researched under the condition of constant torque and speed , validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno 按照发动机的实际组成，根据各部件的接口类型连接模型库中的部件，建立了单缸发动机非线性模型，在此基础上，依据发动机实际发火间隔和顺序，建立了面向控制的四缸汽油机模型，并以测功器为负载，通过恒转矩和恒转速方式进行了发动机性能仿真和研究，仿真结果和发动机动力性能仿真软件dyno测试结果的对比验证了数学模型和仿真模型的正确性。
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“ we have looked to gain performance by increasing the peak revs , and improving areas like cylinder filling and combustion , ” explained denis chevrier , renault ' s head of trackside engine operations . “ in qualifying trim , we expect a gain of several tenths of a second and the final dyno tests before the grand prix will allow us to determine exactly how much additional performance is available during the race “我们看上去已经通过增加最大转数取得了成绩，并改善了像汽缸填塞和燃烧这样的区域”雷诺赛道引擎运作负责人丹尼斯-谢维瑞尔解释说， “在排位赛中，我们期待能获得零点几秒的时间，大奖赛前的最后测试会允许我们最终决定可以在正式比赛中有多少的附加表现。 ”
