在弱束流的条件下，四种离子声波模式中有两种分别对应慢孤波和快孤波。
Under the weak beam conditions, there are four ion acoustic wave modes, of which, two correspond to the slow and fast solitary waves.
由于新中微子束的强度弱于原来的粒子束，因而记录到的事件数由原来实验中高达1万6千次减低到只有20次。
Since the new beam was less intense than the original one, that came at the expense of the number of recorded events—just 20, compared with a whopping 16, 000 in the earlier analysis.
在近简并的封闭三能级V系统中，一束弱激光探测场的群速度可以通过控制一单色驱动场的强度实现慢光速到超光速的转换。
This paper reveals that the group velocity of a weak laser probe field can be manipulated by controlling the intensity of the driving field applied to a near-degenerate closed three-level V system.
当这种聚合物材料被撕裂时，将其暴露在一种强束紫外辐射中切断裂口内部或周围的弱键。
When this polymeric material is torn, exposing it to an intense beam of UV radiation breaks the weak bonds in and around the tear.
当这种聚合物材料被撕裂时，将其暴露在一种强束紫外辐射中切断裂口内部或周围的弱键。
When this polymeric material is torn, exposing it to an intense beam of UV radiation breaks the weak bonds in and around the tear.
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