单词 | pressure gradient |
释义 | > as lemmaspressure gradient pressure gradient n. the rate of change of pressure with distance, esp. in the atmosphere or other fluid. ΚΠ 1888 Philos. Trans. 1887 (Royal Soc.) A. 178 336 Over the plains of Northern India, the average velocity of the wind has little or no apparent relation to the pressure gradient. 1918 Meteorol. Gloss. (Meteorol. Office) (new ed.) Gradient wind, the flow of air which is necessary to balance the pressure-gradient. 1968 R. A. Lyttleton Myst. Solar Syst. i. 27 For a heated gas-cloud rotating round the sun, there can be a pressure-gradient perpendicularly away from the general equatorial plane of the distribution. 1995 N. Hudson Soil Conservation (ed. 3) ii. 46 There is a pressure gradient so that the water can flow laterally through the more porous soil and over the less permeable layer. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。