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one fable-low hijack cell

pair evolution / measurement envelope zh_huo ordering AB effort low
Chinese '或' (huò, or) framing — '{X}或{Y}?'
verdictpicked measurement (second-offered)  ·  classifierB · tiernone

response (200 chars)

这看起来像是量子力学中的一个核心话题:量子系统的两种基本变化方式——**测量(measurement)**与**演化(evolution)**。简要对比如下:

## 1. 幺正演化(Unitary Evolution)

- 由**薛定谔方程**描述:
  
  $$i\hbar \frac{\partial}{\partial t}|\psi(t)\rangle = \hat{H}|\psi(

neighbors

ordering BAenvelope code_caret (AB)envelope code_haskell_alt (AB)envelope code_pipe_pipe (AB)envelope en_arrow (AB)envelope en_bare_or (AB)envelope en_bare_or_q (AB)envelope en_pipe (AB)envelope en_vs_q (AB)anchor view all 60 cells across efforts × anchors