For portable terminals with no fixed position or where routing is inconvenient, it is a most sensible choice to access Internet by using dynamical link.
对于这些无固定位置的便携式终端，或者是在布线极为不方便的环境中，使用动态链路接入互联网将是最明智的选择。
It is the most common method that the fixed locomotive working with a shoulder-circuit locomotive routing in the fixed traction section.
肩回交路机车运转制通常采用的是机车固定牵引区段的作业方式。
Fixed line or routing based lead times.
固定电话线或基于路由的前置作业时间。
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