envelope output包: wrap络: net-like things线: thread; string; wire输出: export包络线: einhuellende envelope; env envelope; envelope curve; envelope line; enveloping line; intrinsic curve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:包络线输出，即可在微信中查询翻译
