<span lang="EN-US" style="font-size:10.5pt;font-family: 宋体;mso-bidi-font-family:" times="" new="" roman";mso-font-kerning:1.0pt;mso-ansi-language:="" en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="">D2D</span><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-family:" times="" new="" roman";="" mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:zh-cn;="" mso-bidi-language:ar-sa"="">通信技术研究 </span>