DVD光盘采用的数据压缩标准是____。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
早期的计算机采用_________,所有的指令.数据都用 1和 0来表示。
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