The general exposure stems from the fact that the SACK option receiver can be made to do an arbitrary amount of work based on the reception of a single packet.
常见的安全漏洞源于这样一个事实：SACK选项的接收方在收到一个包后可能会被要求做大量工作。
When you're ready, you might want to learn more advanced techniques using flash Exposure Compensation and general Exposure Compensation controls in conjunction with TTL flash.
当你准备好时，你可能想学习更进阶的技巧，结合TTL闪光灯使用闪光灯曝光补偿和一般曝光补偿。
When you're ready, you might want to learn more advanced techniques using flash Exposure Compensation and general Exposure Compensation controls in conjunction with TTL flash.
当你准备好时，你可能想学习更进阶的技巧，结合TTL闪光灯使用闪光灯曝光补偿和一般曝光补偿。
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