initial sequence number初始: initial顺序: sequence号: howl; yell原始顺序号: original sequence number顺序号: reference number; running number; sequence number snr; serial number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:初始顺序号，即可在微信中查询翻译
