The values that are used must be determined from the arguments supplied to the derived class constructor.

使用的值必须从提供给衍生类别建构函式的引数中判断。

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The primary constructor in a derived class must invoke one of the parent class constructors, either the primary constructor or an auxiliary constructor.

子类的主构造函数必须调用父类的一个构造函数，无论是主构造函数或者是辅助构造函数。

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For details on how each instance variable is computed, you can look at the constructor method for the class where all these values are derived.

关于如何计算每个实例变量的详细信息，可以查阅该类的构造函数方法，所有这些值都源自那里。

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