Time Coverage 时间涵盖率
Time of Day Coverage Table 按日计时涵盖表
time element coverage 时间因素保险
orbit plane coverage interval time 轨道面覆盖间隔时间
intersatellite coverage interval time 星间覆盖间隔时间
gap time of plane coverage 轨道面覆盖间隔时间
gap time of satellite coverage 星间覆盖间隔时间
President Obama wants to expand health coverage to all Americans and, at the same time,control costs.
VOA: special.2009.07.25
In 2007,expenditures on health care totaled about one-sixth of the entire U.S.economy, and even top congressional leaders acknowledge that attempting to rein in health-care costs while at the same time expanding health-insurance coverage is a daunting task.
VOA: standard.2009.07.31
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