「某特定产品的实际购买群或潜在购买群」是指?() ["交换","交易","市场","产品"]
一部占用约90000MB存储空间的电影,经压缩比为150:1的压缩技术压缩后,该视频文件的大小约为() ["600MB","900MB","700MB","150MB"]
虚拟主机产品提供()机阵列硬盘数据备份,()机热备。 ["单,双","单,单","双,单","双,双"]
由于他人在场,个体工作绩效降低的现象是()。 ["社会促进","社会抑制","社会懈怠","社会逍遥"]
()具有法人资格,依法独立承担民事责任。 ["子公司","分公司","办事处","经销处"]
简述保证贷款和抵押贷款各自的管理要点。