The Standard Model says that protons, which help make up the nuclei of atoms, are stable, but many post-Standard Model theories disagree.

标准模型认为，原子中原子核的组成部分—质子是稳定不变的，但是许多后标准模型理论却不支持这种观点。

youdao

Based on macroscopic equivalent model theories and the microscopic analytical theories, the properties of wave propagation in the polyphase soil-stone mediums are studied.

运用宏观等效与微观分析相结合的手段从理论上研究土—石多相复合介质的波动传播特性。

youdao

For example, there are now emerging theories of meta-modeling and of model transformations, which impose certain demands on how a modeling language should be defined.

例如，目前将要出现的外部模型和模型转换的理论，它强制性要求一个模型语言如何来定义。

youdao

Even though theory today has moved on from Mr Dornbusch's first model, with its various simplifying assumptions, current theories are in many ways descended from it.

ECONOMIST: Rudiger Dornbusch

This mathematical approach to investing led to the famed Capital Asset Pricing Model by Sharpe, Lintner, and Black, the Option Pricing Model by Black and Scholes, and other important theories.

FORBES: Wise Up: 'Normal' Market Behavior Is Not Normal But Crazy Is

That model is the best explanation out there for what happens at scales smaller than the atom, but still has a lot of holes in it, and there are other theories out there that go beyond that model.

CNN: Scientists more certain that particle is Higgs boson