“focal spot”的概念、定义、翻译、参考文献-科学参考

单词	focal spot
释义	focal spot [`fō·kǝl ´spät] ^METALLURGY In electron-beam or laser welding, the spot where the beam has the highest concentrated energy level.
随便看	fossorial Foster-Seely discriminator Foster's formula Foster's reactance theorem Foucault current Foucault knife-edge test Foucault mirror Foucault pendulum fougasse foulard foul berth foul bottom foulbrood foul foot Foulger's test fouling fouling factor fouling organism fouling plates fouling point foundation foundation coefficient foundation engineering foundation mat founder

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