Despite these constant threats, aircraft losses to hostile fire in these operations can be counted on one hand, thanks to intricate planning, substantial experience, and advanced hardware.
尽管威胁一直存在,在这些战斗行动中因敌军射击而导致的飞机损失确是寥寥无几,这要归功于详尽的计划,丰富的经验,以及先进的设备。
Barium titanate (BaTiO3) is a well-known ferroelectric material with high dielectric constant and low losses above room temperature, and it is extensively used in the electric industry.
钛酸钡具有高介电常数、低的介质损耗等优异的性能,广泛地应用于电子工业中。
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