non-oriented chain不定: indefinite; indeterminate向: direction的: 4次方是 The fourth power of 2 i ...链: chain不定向的: astatic; non directional; non directive; nondirectional; omnidirectional; undirectional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:不定向的链，即可在微信中查询翻译
