So the handheld ultrasound is basically surpassing and supplanting the stethoscope.

因此手持式超声机基本上超越并取代了听诊器。

But, ultimately socialism has not succeeded in supplanting capitalism, as its proponents had hoped.

但是，最终社会主义并没有像它的支持者所希望的那样成功地取代资本主义。