| 单词 | 进行改变 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔pulse modulation〕A system of modulation in which pulses are altered and controlled in order to represent the message to be communicated.脉冲调制，调脉：一种对脉冲进行改变和控制以表示要传达的信息的调制系统美国传统Windows can be sized according to how much space you have on your screen.视窗可以根据屏幕空间的大小进行改变。牛津商务 |
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