File system integrity checkout is a host-based intrusion detection technique which can check out the unauthorized modification of the host files by intruders.
文件系统完整性校验是一种基于主机的入侵检测技术，可以检测出入侵者对主机文件的非法修改。
2
Modification of specific chemical groups on the electrode surface can improve the detection sensitivity and selectivity.
在电极表面修饰特殊的化学基团，能提高检测灵敏度和选择性。
3
In the technical modification of home made detection and linking assembly units, the authors adopted a state of art sensor installation structure.