这款手机利用数字信号处理器来优化通话质量。

This phone uses a ___DSP to improve call quality.

我们通过需求方平台精准投放了这则广告。

We placed this ad precisely using a ___DSP.

完成医学培训后，他获得了DSP学位，成为一名足部外科医生。

After completing his medical training, he became a foot surgeon with a ___DSP degree.