英语词汇“spark ball”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

spark ball n. a sphere forming one side of a spark gap.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [noun] > point of discharge > gap > part of

spark ball1902

1902 Encycl. Brit. XXXIII. 230/2 The distance at which the effects of the oscillatory spark could be perceived by the aid of the coherer was closely connected with the height of this air-wire or aerial connected to the spark balls and coherer.

1906 J. A. Fleming Princ. Electric Wave Telegr. 152 Spark Voltages for Various Spark Lengths and Spark Balls of Various Diameters.

1924 O. Lodge Harmsworth's Wireless Encycl. III. 1864/2 The object of replacing the pointed ends of the wires by spark balls is to prevent the gradual leaking discharge.

单词	spark ball
释义	> as lemmas spark ball spark ball n. a sphere forming one side of a spark gap. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [noun] > point of discharge > gap > part of spark ball1902 1902 Encycl. Brit. XXXIII. 230/2 The distance at which the effects of the oscillatory spark could be perceived by the aid of the coherer was closely connected with the height of this air-wire or aerial connected to the spark balls and coherer. 1906 J. A. Fleming Princ. Electric Wave Telegr. 152 Spark Voltages for Various Spark Lengths and Spark Balls of Various Diameters. 1924 O. Lodge Harmsworth's Wireless Encycl. III. 1864/2 The object of replacing the pointed ends of the wires by spark balls is to prevent the gradual leaking discharge. extracted from sparkn.¹ < as lemmas
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