Other instances in which this pattern is useful include logging and printing, such as when you want only one instance of a class to access and control one particular printer at a time.
在其他实例中，此模式也是有用的，包括登录和打印，例如，当您想要一个能够每次访问并控制一个特别打印机的类实例。
Pattern authors can exercise varying degrees of control over deployment by choosing to lock deployment time parameters, ensuring fixed values for every deployment.
模式作者可以尝试对部署进行不同程度的控制，选择锁定部署时间参数，确保为每种部署使用固定的值。
In our country, coexistence of various forms of the management control will be the basic feature of management control system pattern in a long period of time.
各种形式的管理控制并存是我国未来较长时期管理控制系统模式的基本特征。
The modeling and real time feedback control are united in the identification approach, and the pattern of pa-rameter adaption is broken up.
这种辨识把建模与反馈控制结合成为一体，突破了参数自适应的框架。
Draw TRBAC who haves time constraint control pattern, and uniting the practice put up the system access control based on characters.
引入含有时间约束的TRBAC控制模型，结合实践构筑了系统的基于角色的访问控制。
In the phycocyanin group, the expression of MMP-9 was significantly lower than that in control group, and the time-phase pattern of MMP-9 was similar to that in control group.
藻蓝蛋白组MMP - 9阳性细胞变化趋势与对照组相似，同一时间点相比明显低于对照组。
In the question of on-line control for biped robot to step over dynamic obstacle, the learning time of footstep planning and gait pattern training is a crucial problem.
在双足机器人跨越动态障碍物的在线控制问题中，脚步规划和步态控制的学习时间是关键问题。
In the question of on-line control for biped robot to step over dynamic obstacle, the learning time of footstep planning and gait pattern training is a crucial problem.
在双足机器人跨越动态障碍物的在线控制问题中，脚步规划和步态控制的学习时间是关键问题。
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