This means you don't have to keep track of them separately for later reference, or send them to the receiving parties through some other transport mechanism.
这意味着您即便不将它们分别保存，也可以在后续引用这些数据；或者通过其他传输机制发送给接收方。
2
Hundreds of miles of new roads and rail track are speeding up transport.
数百英里的新修道路和铁轨加快了运输效率。
3
These bogies have such advantages as low maintenance cost and track utilization cost, higher transport efficiency, more economic and safe.