The operation system calls these services rather than manipulating hardware directly.
操作系统将调用这些服务，而不是直接地操作硬件。
Security technologies provide a high quality and perfect security operation system for multi-play services.
安全保障技术为多重业务提供高质量、完善的安全运营机制；
Security technologies provide a high quality and perfect security operation system for multi-play services.
安全保障技术为多重业务提供高质量、完善的安全运营机制；
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