“valve mechanism”的概念、定义、翻译、参考文献-科学参考

单词	valve mechanism
释义	valve mechanism Encyclopedia 工学配气机构释 valve mechanism配气机构根据内燃机每一气缸内进行的工作循环和发火次序的要求，定时地开启和关闭各气缸的进、排气门，以保证新鲜可燃混合气（汽油机）或空气（柴油机）及时进入气缸并把燃烧生成的废气及时排出的机构。
随便看	Frobenius formula Frobenius group Frobenius homomorphism Frobenius induction Frobenius integrability condition Frobenius kernel Frobenius-K⍥nigs theorem Frobenius mapping Frobenius matrix Frobenius matrix norm Frobenius method Frobenius morphism Frobenius norm Frobenius number Frobenius-Perron equation Frobenius postage stamp problem Frobenius problem Frobenius pseudoprime Frobenius reciprocity formula Frobenius reciprocity theorem Frobenius ring Frobenius-Schur classification Frobenius-Schur index Frobenius-Schur theorem Frobenius substitution

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。