[求助]各位网优老大,请问Erlangs意思及如何计算

taipai

<span lang="ZH-CN" style="FONT-SIZE: 12pt; FONT-FAMILY: SimSun; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">各位网优老大</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: SimSun; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">,</span><span lang="ZH-CN" style="FONT-SIZE: 12pt; FONT-FAMILY: SimSun; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">请问</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: SimSun; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">Erlangs</span><span lang="ZH-CN" style="FONT-SIZE: 12pt; FONT-FAMILY: SimSun; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">意思及如何计算</span>