请输入您要查询的字词:
单词
形式不变性
释义
形式不变性
Encyclopedia
理学
对称性与守恒量
释
form invariance
形式不变性
力学系统运动微分方程中的动力学函数,如动能、势能、广义力、哈密顿函数、伯克霍夫函数等,在经历无限小变换后仍满足原来方程的一种不变性。
随便看
liquid-propellant rocket
liquid propellant rocket engine
liquid propellant rocket engine test
liquid propulsion system
liquid ramjet
liquid ramjet assembly
liquid ramjet combustion chamber
liquid ramjet engine test
liquid ramjet fuel regulator unit
liquid ramjet ignition unit
liquid ramjet inlet
liquid ramjet nozzle
liquid ramjet performance parameter
liquid ramjet turbopump
liquid ring
liquid ring compressor
liquid ring vacuum pump
liquid rocket engine combustion chamber
liquid rocket engine for attitude controlling
liquid rocket engine ignition device
liquid rocket engine performance parameters
liquid rocket propellant
liquid rubber
liquid safety detector
liquid scintillant mixture
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/10/22 16:59:04