A function expansion method as in Liu et al (2007) is used to formulate the mat-type VLFS floating on the wave surface over uneven sea bottom.

采用作者们（2007）提出的函数展开法描述箱式超大型浮体漂浮在不平底部海域中的水弹性响应问题。

youdao

Though I would make a suggestion. You should get a sticky mat for the bottom of your tub.

我倒有个建议，可以在浴缸底下放个防滑垫。

youdao

The cabinet body bottom has the mat feet, protecting the cabinet body while placing or moving be free from damage, the convenience USES the fork car porterage.

柜体底部配有垫脚，保护柜体在放置或移动时不受损坏，方便用叉车搬运。

youdao

Even though it was the end of the summer and the path was dry, the stranger took the time to wipe his shoes carefully on the mat at the bottom of the steps.

NEWYORKER: Heirs