接收器和放大器接收来自副反射器的无线电波，并使这些微弱的无线电波强大到足以被记录下来并转化成电子信号。

A receiver and amplifier receive the radio waves from the sub reflector, and make these weak radio waves strong enough to be recorded and turned into electronic signals.

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JVM 在装载类时记录这个签名信息，并在运行时通过反射使它可用。

The JVM records this signature information when loading a class and makes it available at run time using reflection.

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解决这些问题的最佳方案是保守地使用反射——仅在它可以真正增加灵活性的地方——记录其在目标类中的使用。

The best ways to deal with these issues are to use reflection sparingly — only in the places where it really adds useful flexibility — and document its use within the target classes.

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