芯片74LS373、74LS164、74LS138、8255、27512、62128的基本功能以及通常使用在MCS-51系统中的作用。
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以下哪些零部件属于排气系统()
A. 排气歧管
B. 排气消声器
C. 三元催化器
D. 排气门
静态的和与航次有关的数据每()发送一次或按要求发送。
A. 12s
B. 6min
C. 6s
D. 3mi
What are two characteristics of the Cisco Validated Design program? ()(Choose two.)
A. facilitates customer deployments that are less reliable
B. facilitates customer deployments that are more predictable
C. separates products and technologies into individual portfolios
D. incorporates products and technologies into a broad portfolio
E. strives to protect access to design documentatio