由浅而深

From shallow to deep

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
并总结出了边采边探、从小到大、由点到面、由浅而深的金矿开采规律。
Finally, the author concluded the regularities of gold mining, i. e. combining mining together with exploration, from small to largo in mining scale, and from shallow to depth in mining steps.
2
这里水质极好，水位由浅而深，不同深度的水位，设有浮标，标明水的深度。为前来游泳休憩的游客提供了绝对安全的保证。
The water here is perfect, and we use the buoys to mark the different depth in order to ensure the swimmer's safety.
3
突然。影子的颜色由深而浅，愈浅愈短，一瞬间全然消失。
Suddenly, their shadows turned shallower, shorter till disappeared in a split second.

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