用这些计算方法，首次从实验上求得了空位与溶质原子复合体分别在低张应力状态和无应力状态下的扩散系数。
Using these approaches diffusion coefficients were obtained for the first time for complexes under tensile stress condition and no stress condition respectively.
本文的主要研究内容是型钢混凝土结构和无粘结预应力混凝土结构的抗震性能和设计理论。
The main contents of this thesis are the aseismatic performance and design theory of steel reinforced concrete structures and unbonded prestressed concrete structures.
反应式步进驱动电机的转子无绕组，由被励磁的定子绕组产生反应力矩实现步进运行。
Reactive stepping motor rotor windings without, the excitation of stator winding respond to realize stepping operation torque.
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