ejection造句
Objective To Validte the Yeliabil of left ventricle
ejection fraction ( LEF ) measured by reconstructed impedance cardiography ( RICG ).
目的验证重建心阻抗图测量左室射血分数 ( LEF ) 的可靠性.
Rapid prototyping manufacturing in the ice pattern is actualized through FDM and separate
ejection.
采用FDM方法、离散式喷射实现了冰模快速成形.
Most of the crater is formed by
ejection.
大多数的弹坑是由于把泥土抛出而形成的.
Radioactivity is the
ejection of particles or radiation from the nucleus.
放射性是原子从核中射出粒子或辐射的现象.
A rocket is propelled by the
ejection of a portion of its mass to the rear.
火箭是靠向后喷射其部分质量而推进的.
The cometary
ejection play a crucial role in formation and evolution of the meteoroid stream.
彗星的喷发速度在流星群的演化过程中起着重要作用.
Ejection murmurs begin after S 1 and are usually crescendo - decrescendo ( diamond - shaped'), ending before S 2.
喷射音始于S1后,通常有渐强 - 渐弱特征, 并于S2前结束.