The differences between the coal drawing face and non-coal drawing face are low stowing factor in the goaf, vigorous movement of roof, and high stress peak abutment pressure along the strike.
放顶煤工作面与非放顶煤工作面的区别是，采空区充填系数小，顶板岩层运动剧烈，走向方向超前支承应力峰值较大。
A manner, process, or method of performing an act or deed; habitual or vigorous activity or energy; movement; motion; a force that causes change.
一种态度、过程，或是一种采取动作和做事的方法；习惯、充足的活力或干劲；动作，行为，一种带来改变的力量。
The freedom movement will be strong and vital and vigorous.
自由运动也会强健有力，生气勃勃。
At that time, a vigorous environmental movement got going in the west. Later it developed into an urban conservation movement and became an important part of western social activism.
那时候西方就开始出现轰轰烈烈的民众环保运动，逐渐推广到老城的保护运动，成为西方社会运动的重要组成部分。
In the utmost peaceful movement, I suddenly speed up the rhythm. The buoyancy and vivid notes represent the vigorous lives of Nature.
就在这极度平静的乐章中，我突然将节奏加快，轻快活泼的音符象征着大自然生气蓬勃的生命力。
A vigorous Labour movement began that winter.
那年冬天，展开了蓬蓬勃勃的劳工运动。
The freedom movement will be strong and vital and vigorous.
给出了船舶六个自由度的运动方程。
Moreover, the "generation gap" began to spread from family to the whole society, and ultimately resulted in the vigorous counter-culture movement at that time.
不仅如此，“代沟”开始从家庭内部向整个社会扩散，最终汇聚而成当时轰轰烈烈的反主流文化运动。
Moreover, the "generation gap" began to spread from family to the whole society, and ultimately resulted in the vigorous counter-culture movement at that time.
不仅如此，“代沟”开始从家庭内部向整个社会扩散，最终汇聚而成当时轰轰烈烈的反主流文化运动。
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