But during the pandemic the rate of decline actually slowed.

但在疫情期间，下降的速度实际上放缓了。

So, when you say the hearing aids 'slowed the rate of decline by half, ' what does that mean, exactly?

你说的助听器让“衰退速度减缓了一半”，到底是什么意思呢？

Indeed, the rate of decline of cardiovascular mortality has slowed significantly in the past decade.

事实上，心血管死亡率的下降速度在过去十年中已显著放缓。

If true, this would predict different fields would have different rates of decline in disruption, given that they are at different stages of maturity.

如果真是这样，那么根据预测，鉴于不同领域的成熟阶段不同，它们颠覆性发现的数量下降速度也会不同。

The latest Nielsen SoundScan figures could conceivably support this view, as they show a slowing rate of decline of album sales in America in the first six months of 2012.

Nielsen SoundScan最新发布的数据对上述观点进行了有力的支持。正如数字显示的那样，2012年美国地区上半年唱片销量下降的趋势正在逐渐减缓。