With practice, you will learn to obtain a short axis view through the aorta and left atrium. 經(jīng)由練習,可以學(xué)會(huì )藉由主動(dòng)脈與左心房得到一個(gè)短軸的圖像。
Elastohydrodynamic studies have almost entirely been restricted to the case where lubricant entrainment coincided with the minor axis of the Hertzian contact ellipse. 以往的點(diǎn)接觸彈流潤滑研究往往局限于分析卷吸速度方向與接觸橢圓短軸相重合的工況。