“four-stroke cycle”的概念、定义、翻译、参考文献-科学参考

单词	four-stroke cycle
释义	four-stroke cycle [¦fȯr ¦strōk `sī·kǝl] ^{MECHANICAL ENGINEERING} An internal combustion engine cycle completed in four piston strokes; includes a suction stroke, compression stroke, expansion stroke, and exhaust stroke.
随便看	circle of confusion circle of convergence circle of curvature circle of declination circle of equal altitude circle of equal declination circle of equal probability circle of illumination circle of inertia circle of inversion circle of latitude circle of least confusion circle of longitude circle of perpetual apparition circle of perpetual occultation circle of position circle of probable error circle of right ascension circle of uncertainty circle of Willis circle shear circle sheet circling approach area circuit circuital field

科学参考收录了103327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。