例句與造句

1. By using pulsed wave doppler or continuous wave doppler bloodflow velocities can be calculated.
2. The E / A ratio is measured by placing a pulse wave doppler across the mitral valve, and measuring the velocities across the valve.
3. Pulse wave doppler allows measurement of velocities at a specific point, but has the disadvantage of aliasing, so often has to be adjusted ( baseline shifted etc . ) to best fit the individual point of measurement.
4. Pseudonormalisation shows a transmitral profile that appears normal, however with the use of pulmonary vein pulse wave doppler, it can be shown that the relaxation pattern is abnormal ( systolic blunting, a decrease in the height of the S wave ).
5. It's difficult to find pulsed wave doppler in a sentence. 用pulsed wave doppler造句挺難的