crest truncation

例句：

1. 1.The crest of the mountain was visible from afar.
   山顶的轮廓在远处可见。
2. 2. The scientist conducted a truncation experiment to study the effect of temperature on plant growth.
   科学家进行了一个截短实验来研究温度对植物生长的影响。
3. 3.The company decided to shorten its product line to focus on its core competencies.
   公司决定缩短产品线，专注于其核心竞争力。