有一种使零部件标准化并减少型号数量的需求。

There is a drive both to standardize components and to reduce the number of models.

《柯林斯英汉双解大词典》

到公元前2300年，所需的符号数量已减少到600个，词汇可表达的范围也扩大了。

By 2300 B.C.E. the number of signs required had been reduced to 600, and the range of words that could be expressed had widened.

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计算机的波特率是指每秒传输的符号数目。

The baud rate of the machine is the number of symbols per second transferred.

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