| 单词 | invariant |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔atomic clock〕An extremely precise timekeeping device regulated in correspondence with a characteristic invariant frequency of an atomic or molecular system.原子钟：一种极其精确的计时系统，因其频率与原子或分子显著不变的频率相一致来控制美国传统〔constant〕An experimental or theoretical condition, factor, or quantity that does not vary or that is regarded as invariant in specified circumstances.永恒值：不变的或在具体环境中被认为不变的一个实验上或理论上的条件、因素或数量美国传统〔invariant〕An invariant quantity, function, configuration, or system.不变量：不变的数量、作用、布局或系统美国传统〔isotropic〕Identical in all directions; invariant with respect to direction.同向性的：所有方向上都相同的；就方向上来讲不变的美国传统〔projective geometry〕The study of geometric properties that are invariant under projection.射影几何学：关于在投射时不变化的几何属性的研究美国传统 |
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