顽铁，汉语词语，拼音wán tiě，释义为坚硬的铁。
是谁第一个铸造出了杀人的利刃？他粗莽的心灵必如顽铁一般！
Who was the first that forged the deadly blade? Of rugged steel his savage soul was made.
讨论了铁磁反铁磁双层膜中交换偏置和矫顽场随温度变化的关系。
The temperature dependence of exchange bias and coercivity of ferromagnetic layer and antiferromagnetic gain layer is discussed.
进一步分析发现，膜厚通过影响矫顽场强和最大极化强度进而影响铁电薄膜的电压非线性。
It is found that the film thickness dependence of the dielectric nonlinearity is determined by that of the coercive electric field and the maximal polarization.
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