单词step change
un.: 阶跃变化；步阶变化
巨大变化；显著进步（或改善）:
a big change or improvement in sth
步阶变化
阶跃变化
Evidence for this proposal must be available to demonstrate that such a step change is necessary and proportionate.
支持这一计划的证据能够证明，这个改变是必须并适当的。
Although the latest attack was aimed at cargo rather than passengers, neither the technology nor the thinking behind it was a step change.
尽管最近的这次袭击针对的是货物而非乘客，但其背后的科技和想法仍将经历一次大的变革。
Step change sunny day life in the Loess Plateau in a remote hill village suddenly entered a beautiful car.
那一天风和日丽，在黄土高原一个偏僻的小山村里突然开进一辆漂亮的轿车。
The decline from the previous plan"s 7. 5 per cent target is a modest 7 per cent, but these little sevens add up to a step-change.
与“十一五”计划的7.5%相比，降幅为适度的7%，但这些小小的7%加在一起就构成一个重大转变。
This limits the appeal of the MBA to those individuals who are looking for a step-change in their career progression.
这就使MBA只对那些寻求变职业进程发生飞跃的人具备吸引力。
This step-change in capacity could pave the way for a new generation of electric cars, mobile phones and laptops.
电量的提高可能为新一代电动汽车、移动电话和笔记本电脑的发展铺平道路。
They also support design predictions that the CSeries aircraft will deliver a step-change in fuel efficiency.
这些实验还表明，CSeries飞机在燃油效率方面将会实现分阶段的调节，达到省油目的。
But even if the oil price does take a durable step-change upward, an oil-fuelled recession may not follow.
但即使油价确实出现持续性的阶梯式上涨，或许我们也能避免由石油引起的衰退。
In a world where 90pc of computers run Microsoft"s Windows operating system, Chrome represents a step-change.
在这个世界上，90%的计算机使用微软的Windows操作系统，Chrome意味着改变。
A step-change development has been achieved in information infrastructure.
信息基础设施建设实现跨越式发展。