| 释义 |
gradientgra·di·ent /ˈɡreɪdiənt / noun [countable] - ( grade) the degree to which the ground goes up or down, especially on a road or railroad（尤指道路或铁路的）坡度，斜率，倾斜度
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physics物理) the rate at which temperature, pressure, etc. changes, or increases and decreases, between one region and another（温度、压力等的）梯度
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