true vertical depth

例句：

1. 1. The true vertical depth of the ocean is a mystery that has puzzled scientists for centuries.
   海洋的真实垂直深度是一个困扰科学家几个世纪的难题。
2. 2.In the study of geology, understanding the true vertical depth of rocks is crucial to understanding their structure and behavior.
   在地质学研究中，了解岩石的真实垂直深度对于理解其结构和行为至关重要。
3. 3. The true vertical depth of the ocean is not just about its physical properties, but also about the complex interactions betweendifferent layers of the seabed.
   海洋的真实垂直深度不仅仅是关于其物理性质，还涉及到海底不同层次之间的复杂相互作用。