It refers to flexible timing of traffic signals.

它指的是交通信号的弹性计时。

youdao

The method timing modification we examined in Part 4 can be a useful tool for isolating performance issues, but it really needs a more flexible interface.

我们在第4部分中分析过的方法定时修改对于隔离性能问题来说可能一个很有用的工具，但它的确需要一个更灵活的接口。

youdao

Also, timing to realize asset value can be more flexible than for many other agricultural products.

此外，实现资产价值的时间可能比其它许多农产品更加灵活。

youdao

The restaurant only books one month ahead, so be flexible with your timing for a table.

BBC: Business Trip: New York