| 释义 |
gra·di·entBrE /ˈɡreɪdiənt/ NAmE /ˈɡreɪdiənt/ noun (also grade especially inNAmE ) the degree to which the ground slopes , especially on a road or railway （尤指公路或铁路的）坡度，斜率，倾斜度◆ a steep gradient 陡峭的坡度◆ a hill with a gradient of 1 in 4 (or 25% )倾斜度为 1:4（或 25%）的小山(specialist ) the rate at which temperature , pressure , etc . changes , or increases and decreases , between one region and another （温度、压力等的）变化率，梯度变化曲线 |