In theory britain 's home secretary designates an area in which police may use stop-and-search powers for up to 28 days .

理论上说，英国内相指定一个区域，警察可以在此行使最长28天的盘查权。

An international agreement signed by britain and the us designates the titanic as an international memorial and seeks to protect it from being plundered or damaged by unauthorised dives .

一英美共同签署的国际协议标明泰坦尼克为国际遗产，并设法保护其不受未经授权的潜水人员掠夺或毁坏。

Mr. duncan 's will designates a handful of nonprofit groups and charitable foundations that will receive donations , all of which would have been tax-exempt even in years when the estate tax was in effect .

邓肯先生的遗嘱中指定了一些将获得捐赠的非盈利组织和慈善基金会，所有这些捐赠即便是在遗产税生效时也是免税的。

Planned legislation designates petrobras as the sole operator of all future oil concessions in the area , with a 30 per cent minimum stake .

计划出台的法律指定petrobras为该地区未来所有石油开采权的唯一经营者，并掌握最低为30%的股权。