V2EX time-independent

Time-Independent

定义 Definition

time-independent(形容词):不随时间变化的;与时间无关的;时间不显含的。常用于物理、数学与工程语境,如“时间无关方程”“时间无关势能”等。(也可泛指某性质/规则不因时间推移而改变。)

发音 Pronunciation (IPA)

/tam n.dpn.dnt/

例句 Examples

The potential is time-independent.
这个势能与时间无关。

In many problems, we assume a time-independent Hamiltonian so the system’s energy levels remain constant in time.
在许多问题中,我们假设哈密顿量与时间无关,因此系统的能级随时间保持不变。

词源 Etymology

time(时间)+ independent(独立的、不依赖的)构成的复合形容词。字面义是“对时间不依赖”,在科学写作中用来强调某个量或方程中没有显式的时间项,或其数值不随时间改变

相关词 Related Words

文学与经典著作 Literary Works

  • Introduction to Quantum Mechanics(David J. Griffiths):讨论 time-independent Schrdinger equation(时间无关薛定谔方程)。
  • Principles of Quantum Mechanics(P. A. M. Dirac):涉及时间无关哈密顿量与定态(stationary states)的表述。
  • Classical Mechanics(Goldstein, Poole, Safko):在力学系统建模中常出现“time-independent constraints / potentials”(时间无关约束/势能)。
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