ground wave operating distance地波: ground wave作用: act on; affect距离: distance; range; gap; space; ...天波作用距离: sky-wave operating distance作用距离: acceptance range; action range; operating distance; range of action下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:地波作用距离，即可在微信中查询翻译
