The employment of microcomputer in the echocardiogram results in a real-time M-mode image on screen with dynamic moving or static freezing.
由于采用了微型计算机技术，使心动图仪可提供实时动态移动和静态冻结的M型图象。
2
The concrete with this product has excellent anti-frost durability, with a relative dynamic elastic modulus of 97% after 300 cycles of freezing-and-thawing.
混凝土抗冻融300次时，动弹性模量为97%，混凝土具有优良的抗冻融耐久性。
3
After the experiment and the theoretical analysis, have established the reflection freezing and thawing to the soil body constitutive property influence dynamic constitutive parameter.