1938, in biological use, back-formation from incline or from Greek klinein "to slope, to lean" (see lean (v.)). Middle English had clinen (v.) "to bend, bow," from Old French cliner, from Latin clinare.
雙語(yǔ)例句
1. Such a range of variation is termed a cline.
這樣一個(gè)變異區(qū)域稱為梯度變異.
來(lái)自辭典例句
2. Callaham and Liddicoet found an elevational cline in ponderosa pine from Northern California.
卡拉漢和利狄柯特發(fā)現(xiàn)加利福尼亞北部產(chǎn)的黃松有一海拔漸變?nèi)?
來(lái)自辭典例句
3. Often individuals at either end of a cline are reproductively isolated.
通常,在兩個(gè)變異群中的個(gè)體是繁殖隔離的.
來(lái)自互聯(lián)網(wǎng)
4. The expanding enrollment of college and university result in the de - cline of teaching quality.