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- Using standard questionnaires, 194 singleton live born mother neonate pairs (including preterm cases and term controls) were investigated by the trained field workers with cross sectional survey at the hospitals in Anqing, Anhui Province, China. 采用横断面调查方法 ,使用统一的调查表 ,由安庆市各县医院对入院分娩孕妇及其单胎、活产、早产和对照新生儿进行调查 ,共得到有效样本 194个母亲 -新生儿对。
- Methods a cross sectional survey of 284 smoking households with a infant in the city of Lu an,in Anhui provinc was carried out,and urinary cotinine to creatinine ratios in infants were measured. 方法采用问卷,调查婴儿父母家庭控烟知识、行为;采用高压液相色谱法检测婴儿尿液中可替宁含量。
- DESIGN: Cross section survey. 设计:横断面调查。
- The quick section survey system of all station equipment is used for distance and angle survey after the equipment completes inputting of point survey data and setting of back azimuth angle. 全站仪快速断面测绘系统是利用全站仪在完成了测点数据的输入和后视方位角的设置后,进行距离和角度的测量。
- Quality Hidden Danger of Plane Cross Section Survey in Power Transmission Line 应重视送电线路平断面图测量中的质量隐患
- Laying off Method of Turning Point in Vertical and Cross Section Survey 纵横断面测量中转点的测设方法
- Laying out the boundary points with the data of cross section survey 利用横断面测量结果计算道路边桩定位数据
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
- The development & application programs of the automatically collecting,communicating,processing data in The Section Surveying were discussed systemically on the Topcon 210/220/310 & 600 serials ETS(Electronic Total Station) with the CPU in the paper. 本文系统地介绍了拓普康(Topcon)210/220/310系列及600系列带有内存的全站仪在断面测量中进行自动数据采集过程以及数据传输及处理程序的开发应用。
- The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
- This cross marks the spot where she died. 这个十字符号标明她死去的地点。
- He made expiation for our sins on the cross. 他在十字架上为我们赎了罪。
- A pillar, rectangular in cross section, supporting an arch or roof. 支柱交叉处的长方形柱子,支撑一个拱顶或屋顶
- Mind out for the traffic when you cross the road. 过马路要注意来往车辆。
- He has lived one section of miserable life. 他过了一段悲惨的生活。
- Passengers mustn't cross the rails. 乘客不得横过铁路。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- You had better cross out the last name. 你最好把最后一个名字划掉。