困难像弹簧，你弱它就强，你强它就弱。
Difficulties like springs, you weak it strong, you strong it weak.
¡“压力是弹簧，看你强不强，你强它就弱，你弱它就强。”
Pressure is spring, see your strength is not strong, you strong it is weak, you weak it is strong.
采用线弹簧型弱界面模型来模拟柔性涂层，研究柔性涂层对复合材料宏观弹性模量的影响。
The effect of soft coatings on the elastic moduli of composite materials is studied, in which the coating is modeled by a linear spring type imperfect interface.
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