Automatic transmissions contain many gears in various combinations.
自动变速器内有许多齿轮的组合。
Planetary gear systems are also used in many automatic transmissions.
行星齿轮组也同样用于许多汽车变速器中。
Cars equipped with automatic transmissions normally do not have a clutch.
装有自动变速器的汽车一般不需要离合器。
To change the gear ratio, most automatic transmissions use planetary gear set.
为了能够改变变速器的传动比，大多数自动变速器使用了行星齿轮机构。
Some automatic transmissions also have a manual shift mode allowing the driver to select gears manually.
有些自动变速器还有一个手动换挡模式，驾驶员也可以手动换挡。
Meanwhile, auto makers are improving their conventional automatic transmissions to narrow the gap with manuals.
同时，汽车生产商也在改进常规的自动变速器，以缩小其与手动变速器的差距。
Although modern automatic transmissions used on automotive vehicles vary in details, they all operate in a similar manner.
尽管现代汽车所使用的变速器各有不同，但其工作原理却是相同的。
In automatic transmissions, the varying ratios between the engine crankshaft and the wheels are achieved by automatic means.
在自动变速器中，发动机曲轴和车轮问不同的传动比是自动调节的。
The performance and failures of oil pumps for automatic transmissions can be checked through stall performance test and time-lag test.
对于自动变速器油泵，可通过失速试验和时间滞后试验来检查油泵的性能和判断油泵有无故障。
Automatic transmissions have become increasingly complex as vehicle manufacturers strive to improve efficiency while satisfying consumer demands.
自动变速器越来越为汽车制造商努力提高效率，同时满足消费者的需求复杂。
For vehicles with automatic transmissions, two methods for road slope estimation algorithm were presented to avoid needless shifting on slope road.
对于装有自动变速器的车辆，为避免在坡道上不必要的换挡，我们研究了两种计算道路坡度的算法。
The purpose of this paper is to propose a methodology for the design of the kinematic structures of planetary gear trains for automatic transmissions.
本文的主要目的是应用图论的方法，以实现汽车自动变速机构的运动构造设计。
Allison transmission Division (ATD) is the world's largest producer of automatic transmissions for medium and heavy-duty trucks, buses and specialty vehicles.
艾里逊变速箱部是全球最大的中型和重型卡车、公共汽车与专业用车的自动变速箱生产商。
However, despite the impressive advancements, Norinco continues to have problems developing efficient drive trains, such as engines and automatic transmissions.
然而，尽管取得了举世瞩目的进步，中国北方工业公司依然在研发有效的驱动系统，例如发动机和自动传输系统。
In automatic transmissions, higher quality levels are required not only for fuel economy and power performance but also for shift quality, noise reduction, ect.
司机对车辆性能的要求越来越高，要求自动变速器高的换档不仅是燃油经济性和动力性能而且还要求好的换档质量、降低噪音等等。
The fast diagnosis of the troubles in automatic transmissions can be carried out by means of trouble phenomenon and cause lists and trouble cause probability graph.
通过自动变速器故障现象及原因表、故障原因概率图，可实现自动变速器故障的快速诊断。
Basic check items for automotive automatic transmissions and fault diagnosis methods for manual shifting tests, the electronic control system and the hydraulic system are introduced.
论述了汽车自动变速器的基本检查项目及手动挡试验、电控系统、液压系统等方面的故障诊断方法。
Even though it is clear what new technologies will be needed (smaller engines, more efficient automatic transmissions, various kinds of hybrid and greater use of biofuels) the Germans will struggle.
虽然德国汽车制造商很清楚需要开为什么样的新技术(更小的发动机，更高效的自动变速箱，多种类的混合动力和生物燃料的更佳利用)，得他们还是力争不已。
CVT which improves the practical fuel economy, compared with the conventional automatic transmissions, is applied to the wide spectrum of vehicle from small to large without parallel in the world.
和传统自动变速器相比，新一代手动智能模式CVT无极变速器在节油上大有改观，已广泛应用到各个级别的大型车和小型车，无可匹敌。
All OG2 satellites will be designed with Automatic Identification System (AIS) payloads to receive and report transmissions from AIS-equipped maritime vessels.
全部OG 2卫星都将采用自动识别系统(ais)设计，可以接收和报告从装备了AIS的海上船只所发出的信息。
Automatic transmission (at) is a sign of the new automobile technology, and it has a lot of merits that other transmissions don't have.
采用液力自动变速器是汽车新技术的一个标志，它有许多其他变速器不可替代的优点。
The same storm disrupted shortwave radio transmissions, cripple Coast Guard loran navigation systems and had automatic garage doors opening on their own.
这次太阳风暴同时还使无线电短波通讯中断，海岸警卫队的洛兰远程导航系统瘫痪，车库的自动门自行开启。
The same storm disrupted shortwave radio transmissions, cripple Coast Guard loran navigation systems and had automatic garage doors opening on their own.
这次太阳风暴同时还使无线电短波通讯中断，海岸警卫队的洛兰远程导航系统瘫痪，车库的自动门自行开启。
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