曾在办公室或是教室弹射橡皮筋的人都知道，那种一张一弛的感觉其乐无穷。
ANYONE who has fired a rubber band across the office or classroom will know the joy of storing and releasing kinetic energy.
由于应力弛张作用，使两地体间的构造分界线（灵山构造带）后期表现为左旋断层性质。
For the sake of stress relaxation, the tectonic boundary between these two different terrains (i. e. the Lingshan structure zone) expressed as a dextral fault in late period.
文学戏剧情节的有序安排和音乐音响上的朦胧性形成了结构上一张一弛、一紧一松的特点。
The orderly arrangements of plot in the libretto, together with the obscurely formed music and sound contribute to the"vibrato"of the musical form.
文学戏剧情节的有序安排和音乐音响上的朦胧性形成了结构上一张一弛、一紧一松的特点。
The orderly arrangements of plot in the libretto, together with the obscurely formed music and sound contribute to the"vibrato"of the musical form.
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