摘要
CRC码是一种具有很强检错、纠错能力的校验码,常用于计算机系统对辅存读写的校验,在通讯和计算机网络中也有广泛应用.因此,关于相对独立的CRC码生成硬件设计研究,具有重要的现实意义.本文分析这种设计的原理,给出原理图.
A new species of Aphaenogaster Mayr was described from Lichuan city, Hubei province. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University. Aphaenogaster incurviclypea sp.nov.(figs:a,b). The new species is similar to A.beccarii (Emery), but differs from the latter as following: anterior margin of clypeus with a median notch; gaster, antenna and leg are brownish yellow; head with shagreened sculpture, and alitrunk with deep striate. Holotype:worker, Lichuan city, Hubei province, 1993-05-13,Wang Wei. Paratypes:15 workers, same as the holotype.
出处
《陕西师范大学学报(自然科学版)》
CAS
CSCD
北大核心
1997年第3期119-120,共2页
Journal of Shaanxi Normal University:Natural Science Edition