1.65<span style="font-family: Symbol; color: blue; font-size: 16pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-char-type: symbol; mso-symbol-font-family: Symbol" lang="EN-US"><span style="mso-char-type: symbol; mso-symbol-font-family: Symbol">m</span></span>mCH4低温吸收光谱特性研究