The turbulent diffusivity is unfavourable to ascending motion.
湍流扩散作用不利于上升运动形成。
The center of ascending motion swings around the equator with variation of seasons.
上升运动的中心随着季节的变化在赤道地区南北移动。
The simulated results show that there are two obvious water vapor channels during the freezing-rain process, and the ascending motion is significant.
结果表明， 这次冻雨过程期间有两条明显的水汽通道，上升运动明显。
The most important motivated mechanism which caused the heavy rain in Fuyuan and Malong is the coupling of stronger ascending motion and profound saturation air column.
强降水发生时有强的上升运动与深厚饱和气柱互耦结构是富源、马龙大暴雨产生的重要动力机制。
The coupling of cyclonic vorticity column and ascending motion as well as deep moist tongue is one of the important dynamical mechanisms for the formation of the snowstorm.
气旋性涡柱和上升运动及深厚湿舌的耦合是暴雪形成的一种重要动力机制。
In the steady four-waves flow, the mean meridional circulation is indirect, with a descending motion near the cold source and an ascending motion near the heat source, as shown in Fig.
维持四波时，平均经圈环流为靠近热源处下沉和靠近冷源处上升的反环流。
Southwest wind enhancement, water vapour flux increase, ascending motion enhancement and water vapour convergence in upper level arouse the heavy snow process in central and east Yunnan.
高层西偏南风加强、水汽通量增大、上升运动的加强以及水汽的辐合造成滇中及以东的强降雪；
A seldom snow process in Turpan in February 2000 is analysised. It is shown that the snow have been brought by strong ascending motion of lower troposphere and abrupt enhancement of low- level jet.
对“2000·2”罕见降雪天气过程分析表明，低层强烈的辐合上升运动和低空急流的突然增强是产生降雪的关键。
Methods Adopt TCM circular motion ascending and descending theories of functional activity of qi and observe clinical application of navel earthly branch needle inserting method.
方法观察中医圆运动气机升降理论和脐地支进针法在临床的应用。
Objective To evaluate the prevalence and findings of motion artifact simulating ascending aortic dissection on multi-slice spiral CT.
目的探讨多层螺旋CT上升主动脉夹层样搏动伪影的发生率及其表现。
Objective To evaluate the prevalence and findings of motion artifact simulating ascending aortic dissection on multi-slice spiral CT.
目的探讨多层螺旋CT上升主动脉夹层样搏动伪影的发生率及其表现。
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