Based on disaster records reported by Journal of Disaster Reduction in China(1990 ~ 1996), a hail disaster database is established with the county units.

依据《中国减灾》公布的1990～1996年月灾情信息，建立了冰雹灾害数据库。

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They looked at death rates by county, having corrected for migration and merged sparsely populated ones so that America's 3,141 counties became 2,068 "county units".

他们在每个县调查死亡率，除去移民和新出现的人口稀少的地区，美国由3141个县变成2068个。

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They looked at death rates by county, having corrected for migration and merged sparsely populated ones so that America's 3, 141 counties became 2, 068 “county units”.

通过除去移民因素，合并人口较少的县，他们把美国的3141个县分为了2068个“县级单位”；再调查每个县的死亡率。

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Los Angeles County installed 30 of the units to harvest electricity from a large municipal waste center.

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The PCT has not released any information about planned changes at the county's other minor injury units at Ripon, Selby and Whitby.

BBC: Malton minor injuries unit hours to be cut

The development at Sprucefield, on the outskirts of Lisburn, County Antrim, which includes 19 other retail units, was first suggested nearly nine years ago.

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