Nasa announces change to its Moon landing plans
return (float)rand() / RAND_MAX;
Beware smart memory systems - the Mac will compress least unused chunks of memory when running low on RAM and zeroes would compress quite well, effectively reducing the size of your cosmic ray detector =[，推荐阅读爱思助手下载最新版本获取更多信息
OpenAI获得1100亿美元融资。业内人士推荐同城约会作为进阶阅读
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Tesco will cut 180 head office jobs as it adjusts to changing shopping habits.