物理学的一个永恒主题是寻找各种序(orders)、对称性(symmetry)和对称破缺(symmetry-breaking)、守恒律(conservation laws)或不变性(invariance)。 化学 化学(chemistry)是研究物质的组成、结构、性质、以及变化规律的科学。
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能量守恒律 law of conservation of energy ; principle of conservation of energy ; energy conservation law
宇称守恒律 parity conservation law
动量守恒律 law of conservation of momentum ; momentum conservation law
质量守恒律 law of conservation of mass
角动量守恒律 angular momentum conservation law
电荷守恒律 charge conservation law
复合宇称守恒律 combined parity conservation law
空间宇称守恒律 spatial parity conservation law
守恒定律 conservation law ; law of conservation ; Conservation of Momentum ; law conservation
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研究相对论性变质量系统的守恒律。
The conservation laws of relativistic variable mass systems were studied.
研究一类解耦非线性双曲守恒律系统的广义黎曼问题。
The generalized Riemann problem for a class of decoupled nonlinear hyperbolic system of conservation laws is studied.
即使初始条件十分光滑，双曲守恒律方程的解也可能出现间断。
The solutions of the Hyperbolic conservation laws might develop discontinuity even if the initial conditions are very smooth.
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