1) directional monitoring
定向监测
2) Cross-sectional survey
横向监测
1.
Methods From 1984 to 2002, Cross-sectional survey: survey of activity of permanent residents and mobile population, of mosquito vectors, of serum in human population, and of terminal patients were carried out.
横向监测,采取病原学、媒介学、血清学、流动人口监测、晚期病人调查等方法。
3) Longitudinal survey
纵向监测
1.
Longitudinal survey: according to different sites and the former incidence in these areas with the prevalence of filariasis, 5 towns and 5 countries and 18 administrative villages were chos.
纵向监测,根据不同的地理方位及原丝虫病流行区发病率的高低,在全省各地共选择5个县5个乡(镇)18个行政村进行固定监测。
4) longitudinal surveillance
纵向监测
1.
Methods: Etiological and entomological methods were applied for the cross-sectional surveillance in all of filarial endemic counties in turn annually and for the consecutive longitudinal surveillance in 6 provincial surveillance sites.
方法:采取病原学、蚊媒学监测方法,对丝虫病流行区各县每年轮流实施横向监测和对6个省级监测点连续进行纵向监测;同时采取慢性丝虫病患者调查、流动人监测及海群生净化治疗。
5) bidirectional test
双向监测
1.
Use a ray-reflecting instrument to realize bidirectional test of cable connection;
用一台光时域反射仪实现光缆接续的双向监测
6) monitoring of direction
方向监测
补充资料:66式定向雷
66式定向雷是我国研制的一种反步兵定向破片地雷。
该地雷的外壳是一个弧形的长方形塑料盒,雷体的前面部分是嵌在一个塑料容器内的钢珠,其后是炸药;雷体顶部是一个铸模而成的照门,供瞄准用,顶部还有两个雷管插孔;地雷架设在两对剪刀形的支架上。
地雷采用手持脉冲引爆器引爆,在30米距离上用电线连接地雷的火帽,引爆器的把手能发出双电脉冲。
地雷引爆时,钢珠破片形成一度60度的水平弧面,并以扇形集束弹道喷射而出,杀伤面积为50米宽、1米高。
按照从越南得到的美制m18双刃大砍刀仿制的,800个1.2mm钢珠预制破片。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条