0 a change in a situation that is much bigger than usual -- 大躍進，階躍變化，步進變化（在某一局勢下，比常規大得多的變化）
There is a step change taking place in communications technology. 通訊技術取得了較大的變化。
The capability to be provided will be a step change from that currently available.
Without doubt, the creation of business link has provided a step change in the quality of support for the small business man and woman.
That is the type of step change that is occurring.
We should perhaps reflect on this fact and plan to achieve a genuine step change in the future.
Our partnership can help achieve a step change in regional development and indeed modernisation, through action on good governance, economic reform and education.
The reduction in mean shear caused by the step change to convex curvature may indicate that the vorticity of the large structures is realigned towards the streamwise direction.
With reference to the core issue of growth and poverty reduction, the report includes a fairly robust and forthright call for a ' step change' in rates of economic growth.
Given the relatively large size of the stress bore after only 36, of recovery, it is clear that some extremely energetic mixing must occur following the step change in curvature.
