Even so, he says, when BT went on to cut about 80,000 jobs in the early 1990s, it had to do so in co-operation with the unions, and pay workers big redundancy packages.
In addition, this provides a measure of redundancy for the operation.
除此之外，使用两条高压管线是一种后备措施。
3
The field running shows that the SCADA features reliable, easy operation and maintenance. Its redundancy and reliability is of consideration for design and development of pipeline SCADA in my country.