虽然很多web服务器都可被配置成使用缓存发回信息，但那与大多数应用程序的动态特性无法相适。
Although many web servers can be configured to use a cache to send back information, that doesn't work with the dynamic nature of most applications.
中国发射了首颗采用量子技术向地球发回信息的卫星。量子技术将使得这些通信远离黑客威胁。
China has launched the first satellite using quantum technology to send communications back to earth. Quantum technology will make these communications safe from hackers.
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