结论：测量二尖瓣环下行速度可作为一个评价左室收缩功能的新指标。

Conclusion: the mitral annular descent velocity can be used as a new index to evaluate the LV systolic function in mi.

youdao

通常给出的最高速度是下行100兆每秒(下行就是数据从网络到你)，上行速度50兆每秒(你传输数据到网络)。

The maximum speed is usually given as 100 megabits per second downstream (from the network to you) and 50 megabits per second upstream (back to the network).

youdao

通常给出的最高速度是下行100兆每秒(下行就是数据从网络到你)，上行速度50兆每秒(你传输数据到网络)。

The maximum speed is usually given as 100 megabits per second downstream (from the network to you) and 50 megabits per second upstream (back to the network).

youdao