请教大家电子工程和语言问题！
1. 在审阅翻译的资料时，发现“pin compatible"(单片机中)被翻成"管脚互换", 我认为"管脚兼容"更准确。这里请教大家，管脚兼容了就一定可以互换了吗?
2. "E-commerce"被翻成"EC"，如果不写全称或"电子商务", 普通的中文读者看得懂吗?
谢谢乐！
请教大家电子工程和语言问题！
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1. 在审阅翻译的资料时，发现“pin compatible"(单片机中)被翻成"管脚互换", 我认为"管脚兼容"更准确。这里请教大家，管脚兼容了就一定可以互换了吗?
2. "E-commerce"被翻成"EC"，如果不写全称或"电子商务", 普通的中文读者看得懂吗?
谢谢乐！
2. 看不懂。
most of the time, pin compatible means that
can be used interchangeably.
But there are exceptions. 74Cxx chips are CMOS versions of 74xx series, they are pin compatible. But CMOS input doesn't need a biasing current, while TTL (BJT) needs. Circuit built for 74Cxx chips may have problem with 74xx, if not carefully designed.
But there are exceptions. 74Cxx chips are CMOS versions of 74xx series, they are pin compatible. But CMOS input doesn't need a biasing current, while TTL (BJT) needs. Circuit built for 74Cxx chips may have problem with 74xx, if not carefully designed.
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