| 单词 | stream-tube | 
| 释义 | > as lemmasstream-tube   stream-tube  n. (see quot. 1892   and streamline n.). ΘΚΠ the world > matter > physics > mechanics > dynamics > fluid dynamics > 			[noun]		 > path of particle when motion is steady > specific surface formed by stream-tube1892 1892    Minchin Hydrostatics etc. 371  				If at any point, A,..we describe a very small closed curve and at each point on the contour of this curve we draw the stream line, such as AP, and produce it indefinitely, we obtain a stream tube. 1911    Encycl. Brit. XXIV. 940/1  				The surface formed by all the stream lines passing through a small closed contour is termed a ‘stream tube’. < as lemmas  | 
	
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