利用CB实现了儿童微量元素数据库的填写与查询，并且具有打印功能。对CB相关的学习有帮助-usingCB to trace elements using a database of children to achieve complete and inquiry, and has printing capabilities. Related learning on the CB help

JPDA数据关联算法 适用范围：2个二维匀速运动目标的点迹与航迹的关联-JPDA data correlation algorithm suitable for: 2 two-dimensional uniform motion target point trace and track association

对地下某点进行多次观测的许多地震道，经过消除时差，滤去干扰波后迭加在一起，从而得到一个点的水平迭加，测线上的所有点都经过同样的处理，把一条测线处理完，迭加在一起即得到整条测线的水平迭加处理结果。-Of underground of a point of multiple observations of many seismic trace, after eliminate lag, filter the interference wave superposition together, in o