| 释义 |
〔bandwidth〕The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies.带宽：电磁辐射频带中高频与低频之间的数值差，尤指某设定的无线电频率范围〔willet〕A large grayish shore bird(Catoptrophorus semipalmatus) of North America, having black wings with a broad white stripe. 半蹼白翅鹬：北美洲的一种略带灰色的大滨鸟（半蹼白翅鹬） ，长有带宽白边的黑色翅膀 |