ground zero

n.

开始；起点；爆心投影点；

Ground Zero
Ground zero.
Ground zero
Ground Zero | I Hurt
Nigeria: "Ground Zero"for the high prevalence neglected tropical diseases
Immunizations from ground zero: lessons learned in urban middle schools.
ONE. The Ground Zero of Intimate Abuse : Insult to Injury Rethinking our Responses to Intimate Abuse
Eutopic endometrium in women with endometriosis: ground zero for the study of implantation defects.
Eutopic endometrium in women with endometriosis: ground zero for the study of implantation defects.
Tourists of History: Memory, Kitsch, and Consumerism from Oklahoma City to Ground Zero
Tourists of history : memory, kitsch, and consumerism from Oklahoma City to Ground Zero
The mental health impact of 9/11 on inner-city high school students 20 miles north of Ground Zero.
The Hurricane Katrina aftermath and its impact on diabetes care: observations from "ground zero": lessons in disaster preparedness o...