This may mean the destination system interface is offline or there a network problem prevents connection.
这可能意味着目标系统接口已脱机或存在网络问题而不能连接。
Before you can identify whether there is a problem within your network, you first need to have a baseline performance on which to base your assumptions.
在判断网络中是否发生问题之前，需要先确定基线性能，然后据此做出假设。
Because of the open network system and sharing, there is a big problem in network management, computer network system has a lot of bugs.
由于网络系统的开放性和共享性，加之网络管理存在很大问题，计算机网络系统存在很大漏洞。
After modeling the radioactive prospecting data using neural network, there is a problem about how to achieve it in the computer.
在利用神经网络对放射性勘探数据进行建模后，面临着如何在计算机中实现的问题。
And it is also a difficult problem that there had no standard, practical, continued development of methods and techniques during the development of the communication network management systems.
而在通信网络管理系统开发中没有一个规范、实用和持续的开发方法和技术，也一直是网络管理建设中的难点问题。
However, during the period when network operates, there still remains a problem that the network's speed is extensively slow. To solve this problem is vital and of an urgent tendance.
但在网络运行过程中，普遍存在着网络运行速度慢问题，解决这一问题势在必行。
There is an issue of A/B plane partition of HSTPs in the topology optimization of CCS7 network. It can be formulated into a new kind of graph partition problem.
七号信令网拓扑优化中存在高级信令转接点（HSTP）的A/B平面划分问题，其可归纳为一类新的图的划分问题。
There is an issue of A/B plane partition of HSTPs in the topology optimization of CCS7 network. It can be formulated into a new kind of graph partition problem.
七号信令网拓扑优化中存在高级信令转接点（HSTP）的A/B平面划分问题，其可归纳为一类新的图的划分问题。
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