In this case, you're using a simple if... Else block to see whether any value stored in the state is accessible via the random key.

在本例中，我们用一个简单的if . . . else块来判断在状态中保存的值是否可通过random键访问。

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The Volvo Immobiliser serves as a starter block since the starter key communicates with the engine′s starting circuit via security-coded electronic signals and random rolling codes.

沃尔沃加密锁相当于一个起动锁，因为起动钥匙通过安全加密的电信号和随机滚动码与发动机的起动电路进行通信。

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