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The comparisons had been taken about the STDs patients ′ character and the firt treatment between the 473 cases of Shenyang and 390 cases of Beijing .

对沈阳市473例、北京市390例性病患者的特征及首诊状况进行了分析、比较。

On the average , The zero crossing time of the firt stroke radition fields is 63 祍 and 66 祍 for positive and negative CG flashes , respectively .

发现高原夏季雷暴过程中的闪电特征具有较大的独特性，平均而言，高原雷暴正负地闪首次回击辐射场波形的过零时间分别为63ms、66ms；

The third chapter firt analyses the nature character of it , target structure and the possibility of its realization on the base of staff reduction status quo between the domestic and the overseas companies .

本文围绕上述问题，第一到第三部分先从国内外企业推行裁员的现状着手，分析裁员行为的本质特征、目标体系构成以及实现目标的可能性；