The US government has refused to let Intel help China update the world's biggest supercomputer.
美国政府拒绝让英特尔公司帮助中国升级世界最大的超级计算机。
Intel applied for a licence to export tens of thousands of chips to update the Tianhe-2 computer.
英特尔公司向美国政府申请了出口许可证,以出口数万芯片帮助天河2号计算机的升级。
The Department of Commerce refused, saying it was concerned about nuclear research being done with the machine.
但是美国商务部拒绝了这一申请。理由是担心这一计算机与中国从事核研究有关。
Separately, Intel has signed a $200m (£136m) deal with the US government to build amassive supercomputer at one of its national laboratories.
另外,英特尔公司已经与美国政府签了高达2亿美元(约1.36亿英镑)的合约,在美国一国家实验室中建立大规模的超级计算机。
The Tianhe-2 uses 80,000 Intel Xeon chips to generate a computational capacity of more than 33 petaflops. A petaflop is equal to about one quadrillion calculations per second.
天河2号使用了8万个英特尔至强芯片,每秒能够计算超过33x1015次。
According to the Top 500, an organisation that monitors supercomputers, the Tianhe-2 has been the world's most powerful machine for the past 18 months.
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