2022年3月28日
cargo
摘要： In economics, the word cargo refers in particular to goods or produce being conveyed—generally for commercial gain—by water, air or land. "Freight" is 阅读全文
posted @ 2022-03-28 22:52 华容道专家 阅读(301) 评论(0) 推荐(0)
74xx LOGIC
摘要： In the 1970's and 1980's, many digital systems were built from simple chips, each containing a handful of logic gates. For example, the 7404 chip cont 阅读全文
posted @ 2022-03-28 22:32 华容道专家 阅读(303) 评论(0) 推荐(0)