单词：alternative channel
alternative channel的用法和样例：
例句
- Any alternative of quantum mechanics must be able to explain two-slit experiments, therefore it must contain passage conditions or probability amplitudes.任何替代量子力学解释量子现象的理论都得说明双缝衍射实验，这就必须引进通道条件或引进概率幅。
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今天我们要学的词是 alternative. Alternative 作为形容词，意思是另外的，可以用于替代的。Stephen Hawking predicts that planet Earth will only survive another 100 years, and it's urgent to consider an alternative planet. 霍金
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