凯恩斯主张自由放任的经济学说在二战中得以验证。()

判断题词根计算好之后，分析词根，应该先把转化率这列数据降序处理，先优选一半词根，这里面再进行挑选。()

判断题对于直流起动机，蓄电池电流先流过定子绕组，再经由电刷流到转子绕组。()

判断题F2自动灯光控制传感器的信号线是CLTS。()

判断题只有配置有自动灯光的车辆,才有F2自动灯光控制感应器。()

判断题股票持有者只享受相应的权利，不用承担相应的责任与风险。()

判断题战略计划方案仅关注组织的财务绩效。()

判断题先进的计算机无需人的参与也能构成信息系统。()

判断题对系统有着影响的所有外部因素的集合就是环境。()

判断题若*P结点只有左子树PL或者只有右子树PR，此时只需令PL或PR直接成为其双亲结点*f的右子树即可。()

判断题如果安全联合SA的索引值相同，则其包含的含义是一样的。()

判断题F=AB＋Cˉ的对偶函数是F′=(Aˉ＋Bˉ)C。()

判断题China Mobile has become the most valuable Chinese brand, followed by Alibaba Group Holdings Ltd and Tencent Holdings Ltd.()

判断题In marketing place refers to the distribution of the product.()

判断题Cold calling is the marketing process of approaching prospective customers or clients—typically via telephone，by email or through making a connection on a social network—who were just expecting such an interaction.

判断题Traditional forms of marketing such as newspaper and television advertising, direct mail and cold calling integrate well with the powerful medium of the Internet and have become more and more effective as a result.()