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Safety,Security,and Navigation Systems Exercises

    1. Please answer the following four questions

    1) Define the major parts of a seat belt,and indentify its main funciton.

    2) Identify the main parts of airbag, and understand its major components.

    3) Identify the main types of security system.

    4) Identify the major types of navigation system.

    2. Translate the following sentence into Chinese

    1) The design and use of the airbag are characterized by different technical aspects.The first regards the algorithm that has to recognize the impact, in terms of the variablesused to characterize the impact and the limit curves.

    2) An impact.energy absorber is a system that converts the kinetic energy involved ina crash into another form of energy. In principle the conversion could be conservative, sothat the energy could be stored in some form, for example as a pressure in a gas or inelastic energy in a spring. Alternatively it could be dissipated by some mechanism.

    3) Automatic transmissions contain many gears in various combinations. In a manualtransmission, gears slide along shafts as you move the shift lever from one position toanother, engaging various sized gears as required in order to provide the correct gear ratio.

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