单词：wave number
wave number的用法和样例：
例句
- There is an indefiniteness in the wave number that is related to the finite length of the train.由于波到的长度是有限的，因此相应地在波数上存在着不确定性。
- The cutoff wave numbers and distribution of field components of the high-order modes are calculated by those formulas.根据这些公式可求出各模式的截止波数和相应的场分布。
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