The db2 trace facility is controlled by means of the db2trc command, which is used to start and stop a trace, and to format captured trace information.
db 2跟踪功能是通过db 2trc命令的方式来控制的，可以用该命令来启动和停止跟踪，以及格式化捕捉到的跟踪信息。
Moreover, the processing of ores introduced poorly controlled changes in the concentrations of minor and trace elements in the resulting metal.
此外，对矿石的加工过程也在随之而形成的金属中引入了某些有失控制的次要和微量元素含量的变化。
Based on the curve theory in differential geometry, we introduce for general control systems the concepts of shape variable, the controlled shape-trace curve and the shape congruence control.
针对一般控制系统，利用微分几何中的曲线理论提出了形状变量、被控形状轨迹曲线和形状合同控制等概念。
This deposit is strictly controlled by structural trace and stratum.
该矿床严格受构造形迹和地层的双重控制；
This paper presented an intruder locating system based on network intrusion detection, which can trace back the indirect attack in controlled network environment.
提出并实现了一个基于网络入侵检测的入侵者定位系统。
The moving trace of the dispensing device and the gum spit time of the packing cement are controlled by the control module so as to ensure the sizing quality;
通 过控制模块控制点胶装置的移动轨迹和胶筒吐胶的时间，保证了施胶质量；
The moving trace of the dispensing device and the gum spit time of the packing cement are controlled by the control module so as to ensure the sizing quality;
通 过控制模块控制点胶装置的移动轨迹和胶筒吐胶的时间，保证了施胶质量；
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