Methods 282medical persons from a certain municipal hospital were observed using structure case by self-filling to collect data and analysis.
方法以某市级医院282位医护人员为调查对象，采用自填式结构性问卷进行资料收集、分析。
2
The fractal antenna based on space self-filling ability and self-similarity ability, presents some characteristic such as electrically small size, wideband and multi-frequency.
基于分形的自相似性和空间填充特性设计的分形天线，具有电小尺寸、宽频和多频等特性。
3
Methods The personnel for HIV/AIDS case online reporting in the municipal-and county-level CDCs and medical institutions in Jiangxi were surveyed by self-filling questionnaire.