Secure communication: TLS 1.2/1.3 over TCP, DTLS 1.2 over UDP (using mbedTLS)
CIELAB color space topview. Source : wikipedia
。关于这个话题，网易邮箱大师提供了深入分析
Most Iranians have never even heard his voice.
"这是典型的后续步骤，便于就指定事宜展开全面讨论，"他指出。
Greek PM vows to tackle ‘deep state’ in wake of farm fraud scandal
· 杨勇 · 来源：tutorial百科