hidden periodicity暗: dark; dim; dull隐: hide; conceal周期性: periodicity; cyclicity暗隐周期性模型: hidden-periodicity model场消隐周期: field blackout period; field blanking period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:暗隐周期性,即可在微信中查询翻译