“penetration depth”的概念、定义、翻译、参考文献-科学参考

单词	penetration depth
释义	penetration depth [´pen·ǝ`trā·shǝn ´depth] ^CRYOGENICS The depth beneath the surface of superconductor in a magnetic field at which the magnetic field strength has fallen to 1/e of its value at the surface. ^ELECTRICITY In induction heating, the thickness of a layer, extending inward from a conductor's surface, whose resistance to direct current equals the resistance of the whole conductor to alternating current of a given frequency. ^ENGINEERING The greatest depth in an ultrasonic test piece at which indications can be measured.
随便看	fibrillation fibrillose fibrin fibrinase fibrinogen fibrinogenopenia fibrinoid fibrinolysin fibrinolysis fibrinous pericarditis fibrin-stabilizing factor Fibrist fibroadenoma fibroblast fibroblastic fibrocartilage fibrocyte fibroferrite fibroid fibroid deoxyribonucleic acid fibroid tumor fibroin fibrolite fibroma fibroma molluscum

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