vigorous: adj.1.精力旺盛的，强健的；精神饱满的，活泼的。2.有力的，有魄力的。短语和例子a vigorous mass movement 轰轰烈烈的群众运动。 a vigorous style 富有活力的文体。 vigorous development of ... …的蓬勃发展。 vigorous expansion of production 大力发展生产。 vigorou
The second route results when initial cooling rate ( just below the liquidus ) is sufficiently rapid , and is accompanied by sufficiently vigorous agitation 当初始冷却率（低于液相线）达到足够快的速度并伴有充分剧烈地搅动时，就会得到第二种结果。
