目前日期文章:200901 (5)

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If you are ordering a car and are not sure if you should get the SMG transmission(Sequential Manual Gearbox), the following information may be helpful in your decision:
  • A short test drive of any SMG car is not an accurate measure of how the car will feel over time. SMG's are entirely new and need to be driven in a way that is entirely different than what you are probably accustomed to. Most SMG owners learn over an extended time (30 days or longer) how to shift the car properly. It has a steep learning curve. Your brain needs time to "reprogram" the timing of everything, etc.
  • Because the SMG has an "automatic mode," many people compare this choice to the Steptronic transmission. This comparison is not an equitable one. It is more equitable to compare the SMG to a traditional manual that has a clutch pedal. If you are traditionally a buyer of automatics because you do not like to shift, you may be disappointed with the SMG. If you are traditionally a buyer of manuals, you may find that the SMG far exceeds your expectations but only after owning it past the individual learning curve.
  • In addition to upshifting, SMG's need to be downshifted by the driver (as opposed to allowing the SMG to downshift automatically because of impending strain on the drivetrain) to reach optimum performance and satisfaction. Just like driving a manual transmission, you need to keep the car in the proper gear relative to the vehicle's speed. The SMG will execute downshifts flawlessly by "blipping" the throttle to the required RPM before engaging the lower gear. In other words, it executes a perfect "heel and toe" downshift every time. This process prevents the car from becoming unbalanced and reduces the possibility of a loss-of-control situation. It's the downshifts that truly differentiate the SMG from both the traditional manual and the automatic transmission choices!

 

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成功,往往也是瓶無味、無色的慢性毒藥,讓你失去戒心。美國登山好手費雪(Scott Fischer),在第五次攀爬喜馬拉雅山聖母峰中喪生。最主要的原因是,他未能遵守「兩點鐘規則」,就是攻頂一定要在下午兩點前完成,不然就必須回頭,就算峰頂在望也一樣。費雪因為「不當的虛榮心」,認為「自己已有四次經驗,是可能的。」結果命喪喜馬拉雅山。曾經的榮耀,永遠的悲哀。他的故事,還成為美國華頓商學院的教材。

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引擎機構的設計極為複雜,所要考量的因素很多,如何兼顧引擎效能下而能大幅降低引擎燥音量,一直是車輛製造廠商努力的目標,且在噪音法規日趨嚴格的今日,引擎噪音抑制基礎研究的重要性更是不在話下。

 

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92、95與98無鉛汽油之區別為何?車主應如何選擇適當的汽油?若選用錯誤會有何影響 ?
(1)主要區別在於辛烷值不同,辛烷值乃測定汽油抗震爆能力之指標,92無鉛汽油辛烷值為92,95無鉛汽油辛烷值為95;98無鉛汽油辛烷值為98。

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