5 résultats pour "rotary"
- Rotary club
- rotary clubs.
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Telephone.
digits is dialed. The development of inexpensive and reliable amplification provided by the introduction of the transistor in the 1960s made practical the design of adialing system based on the transmission of relatively low power tones instead of the higher-power dial pulses. Today most telephones have push buttons instead of a rotary dial. Touch-Tone is an optional service, and telephone companies still maintain the ability to receive pulsedialing. Push-button telephones usually have a switch...
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Internal-Combustion Engine.
any Otto-cycle engine and in actual engines today is slightly more than 40 percent. Diesels are, in general, slow-speed engines with crankshaft speeds of 100 to 750revolutions per minute (rpm) as compared to 2500 to 5000 rpm for typical Otto-cycle engines. Some types of diesel, however, have speeds up to 2000 rpm. Becausediesels use compression ratios of 14 or more to 1, they are generally more heavily built than Otto-cycle engines, but this disadvantage is counterbalanced by theirgreater effici...
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club. n.m., réunion de personnes associées pour un but commun.
Clubs de loisirs et clubs de services. Il n'en reste pas moins que de nombreuses activités de loisirs non sportifs s'ordonnent également autour de clubs, que l'on pourrait ranger en deux types. Un premier type rassemble des personnes désirant s'investir dans une activité culturelle au sens large (clubs d'astronomie, clubs de bridge ou d'échecs, etc.) ou dans une intervention caritative (Rotary clubs ou Lion's Clubs). À des degrés divers, ce type de clubs est consommateur de temps libre. L'autre...