单词	纯量项
释义	纯量项scalar item
随便看	derivation action derivational derivation algebra derivational theory of complexity derivation control derivation graph derivationist derivationists derivation key derivation language derivation of algebra derivation of ring derivation of (something), derivation (of water) derivation (pareto) derivation rule derivations derivation sequence derivation tree derivatisation derivatise derivatist derivative derivative action derivative action coefficient