principle of action through medium媒质: medium; media作用: act on; affect原理: principle; tenet; axiom; the ...反作用原理: principle of reaction; reaction principle作用原理: action principle; functional scheme; mechanism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:媒质作用原理，即可在微信中查询翻译
