The article used two methods to determine the linearity of initial state continuous time system. The first method used difinition directely to determine. It is very precise in Mathematics; The second method used linear system' s extend nature to determine, it has more definite phisical meanings.%本文用两种方法对含初始状态的连续时间系统的线性性进行判别.第一种方法直接由定义判别,在数学上更为严谨;第二种由线性系统的延伸特点进行判别,其物理意义更加明确.
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