Considering the importance and necessity of service discovery mechanism in the wireless sensor network, a district-based service discovery mechanism model is proposed.

基于服务发现机制在无线传感器网络中的重要性及必要性，提出了一种区域式的服务发现机制模型。

youdao

To explore the relationship between homestead distance to hospital and access to care and to estimate the sensitivity of hospital-based surveillance in Kilifi district, Kenya.

旨在探讨住宅离医院的距离和获取医疗服务机会之间的关系并评价肯尼亚基利菲区基于医院监测的灵敏度。

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The report is based on an analysis of nearly 99 percent of birth records reported to 50 states and the District of Columbia as part of the National Vital Statistics System.

这一份报告是基于50个州以及哥伦比亚特区的将近99%的生育纪录，作为国家重要统计系统的一部分。

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Currently, only Nebraska and Maine use a district-based plan for allocating electoral votes.

CNN: Some GOP-led states look at electoral vote changes

It could be a big boost to the Pirate Party elsewhere, particularly in countries with proportional representation rather than a single-member, district-based system which favors larger parties.

FORBES: Cutlasses Between Their Teeth, Three Pirate MPs Board Iceland's Parliament

In total, more than 5, 300 students entering kindergarten scored at the 90th percentile and above, which makes them eligible for an unspecified number of seats in district-based schools.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned