Although they landed every attempt, the squirrels reduced their landing error over time.

尽管他们每次尝试都成功着陆，但随着时间的推移，松鼠减少了他们的着陆错误。

Google has also started using deep neural networks for speech recognition (although not yet translation) on its Android smartphones, and claims they have reduced errors by over 20%.

Google也已经开始将深度神经网络用于安卓智能手机的语音识别（还没有开始翻译），并表示已经将错误率降低至少20%。