当作用时间较长时，碳粉会发生无定形化。
Amorphism can occur when carbon powders are refined further.
当头盘系统发生碰撞时，冲击激励峰值加速度与作用时间的倒数之间具有近似线性关系。
When the head disk collision occurs, the peak acceleration of the shock pulse approximately follows a linear relationship with the inverse of the excitation duration.
结果微波明显抑制了A549细胞的活力，并诱导A549细胞发生凋亡，辐射效果与辐照剂量、作用时间相关。
Results Microwave obviously inhibited the activity and inducted the apoptosis of A549 cells. Time dependence and dose dependence were definite.
酸雨是在大气环境发生变化后引起的环境污染之一，其特征是分布范围广，作用时间长。
With a vast range of distribution and long-term effects, acid rain is one of environmental pollutions caused by atmospheric changes.
碰撞的初始作用时间，应该在所测年龄最新的洋壳消失以后，在强构造变形与动力变质作用发生之前。
The initial collision age is younger than that of the oceanic crust disappearing on the surface, and older than that of the formation of strong deformation and dynamic metamorphism.
碰撞的初始作用时间，应该在所测年龄最新的洋壳消失以后，在强构造变形与动力变质作用发生之前。
The initial collision age is younger than that of the oceanic crust disappearing on the surface, and older than that of the formation of strong deformation and dynamic metamorphism.
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