Is there a cutoff frequency below which electrons aren't ejected from the metal, no matter how long you wait?
是否有一个截止电压，无论您等待多长时间，都不会从板中提取电子？
| 单词 | ejected matter |
| 例句 |
原声例句
Crash Course Physics 速成课物理 Is there a cutoff frequency below which electrons aren't ejected from the metal, no matter how long you wait? 是否有一个截止电压，无论您等待多长时间，都不会从板中提取电子？ |
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