[通信] 窄频带

narrow frequency band的用法和样例:

例句

  1. The narrow band of sapwood is very similar in colour to the heartwood.边材的窄带颜色与心材非常相似。
  2. Some adhering junctions are present as narrow bands connecting two cells.有些粘附连接以一窄带的形式连接两个细胞。

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