abbr.necessary 必需品，necrosis 坏死，not elsewhere classified 未另分类，no error check 无差错校验
NEC sells a scaled - down version of the new supercomputer.
NEC公司出售这种新型超级计算机的小型版本.
The end user is like NEC , BIRD and HUAWEI.
最终客户有NEC, BIRD, HUAWEI手机 厂家.
NEC's and Sony's sales have been falling since 2006 in Japan.
NEC和 索尼公司的在日本本土销售量自从2006年以来一直处于下降.
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