| 单词 | 梯度 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔concentration gradient〕The graduated difference in concentration of a solute per unit distance through a solution.浓度梯度：贯穿整个溶液的每单位距离间的浓度差别美国传统〔electric potential gradient〕The net difference in electric charge across a cell membrane.电位梯度：细胞膜两侧的电荷净差美国传统〔gradation〕The children's birth weights show a gradation.婴儿的出生体重呈现梯度变化。外研社新世纪〔grade〕To level or smooth to a desired or horizontal gradient.减少坡度：使…平整或光滑到一个预期的或水平的梯度美国传统〔gradient〕Physics The rate at which a physical quantity, such as temperature or pressure, changes relative to change in a given variable, especially distance.【物理学】 梯度：一个物理量，如温度或压力，相对于另一给定可变量（尤指距离）的变化的变化率美国传统〔halocline〕A vertical gradient in ocean salinity.（海洋的）盐度跃层：海水盐度竖直梯度变化明显的水层美国传统〔morphogen〕Any of various chemicals in embryonic tissue that influence the movement and organization of cells during morphogenesis by forming a concentration gradient.构形素，定形素：在形态发生过程中通过形成浓度梯度从而对细胞的运动和组织产生影响的胚胎组织中多种化学品的任何一种美国传统〔shading〕The lines or other marks used to fill in outlines of a sketch, an engraving, or a painting to represent gradations of color or darkness.影线：用于填充素描、雕刻或油画的线条或其它痕迹以展示颜色或暗度的梯度美国传统〔temperature gradient〕The rate of change of temperature with displacement in a given direction from a given reference point.温度梯度：从一给定的参考点，伴随着在给定方向上温度变化的速率美国传统 |
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