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I Am Legend 2 is officially in the works, with some of the big names behind the original back for the sequel. There's been talk of a follow-up to one of the best zombie movies for a few years now, but ...

Officials confirmed that 200 Oregon National Guard Troops were called with a directive to protect federal buildings and support law enforcement in the city.

方差分析中的元和因素 试验中要考察的指标称为 试验指标 ，影响 试验指标的条件称为因素 ，因素所处的状态称为 水平 (通常用于3个或更多水平时；如果只有2个水平考虑 T-test);若试验中只有一个因素 改变则称为 单因素试验，若有两 ...