polarity of feedback loop反馈: feedback; couple back; retro ...环: ring; hoop的: 4次方是 The fourth power of 2 i ...反馈链的极性: polarity of feedback link反馈环: feedback loop; feedbackloop; feedbick system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:反馈环的极性，即可在微信中查询翻译
