“variational method”的概念、定义、翻译、参考文献-科学参考

单词	variational method
释义	variational method [´ver·ē`ā·shǝn·ǝl ´meth·ǝd] ^{QUANTUM MECHANICS} A method of calculating an upper bound on the lowest energy level of a quantum-mechanical system and an approximation for the corresponding wave function; in the integral representing the expectation value of the Hamiltonian operator, one substitutes a trial function for the true wave function, and varies parameters in the trial function to minimize the integral.
随便看	flicker fusion flicker photometer flight flight briefing flight characteristic flight control system flight conveyor flight deck flight dynamics flight envelope flighter flight feather flight feeder flight forecast flight inspection flight instrument flight level flight log flight-management computer flight of ideas flight path flight-path angle flight-path computer flight-path deviation flight-path deviation indicator

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。