试验中，常化和产品厚度对产品磁性能的影响不明显。
Normalizing treatment and product thickness affect magnetic property little in this experiment.
利用“局部常化”方法给出了一个精度较高的单摆周期公式。
A more precision formula for the period of a simple pendulum is obtained by using the method of variable be partly fixed.
结果表明：热轧及常化退火工艺对硅钢冷轧织构有显著的影响。
The results show that hot rolling and normalizing annealing processes have significant influence on the cold_rolled texture of silicon steel.
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