The precondition that preserves subaqueous fan is the backwater environment of deeper or deep lacus.

半深湖-深湖的滞水条件是水下扇得以保存的前提。

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Dongpu depression, in which the halites were deposited in two depositional cycles, is a typical salty lacus in Bohaiwan basin.

东濮凹陷是渤海湾地区一个典型的盐湖盆地，其下第三系的两个沉积旋回沉积了两套盐岩。

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The sand body distribute is controlled by the palaeobathymetry and hydrodynamic force in plane, and influenced by the change of water of lacus basin in the longitude.

砂体的分布平面上受古水深及水动力条件的控制，纵向上演化受湖盆水体变化的影响。

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Nam lectus felis, vehicula ac, faucibus a, consequat vitae, lacus.

UNESCO: What are School Linkages and how can the school benefit from it?

Maecenas purus pede, lacinia vitae, interdum ut, molestie id, lacus.

UNESCO: What are special themes as indicated in the competency areas?