Seepage free surface issue exists in analysis of the seepage concerning geotechnical slope, earth dam, underground cave and groundwater movement.

在岩土边坡、土坝、地下洞室及地下水运动等渗流分析中，均存在有渗流自由面问题。

youdao

On the surface, it seems that the only ethical issue might regard the suppression of this freedom.

表面看来，仅仅的道德问题也许会遏抑自由。

youdao

However, he generally provides enough details and examples in the body of the book to support main points and dive below the surface of an issue.

然而，他通常在书中提供大量细节和示例来支持主要观点并深入探讨某问题。

youdao

The passages of the tax code to which you refer are but the surface of the issue.

FORBES: Relinquishing U.S. Citizenship

On the surface, the issue is what to do about the budget deficit.

CNN: Europe's pain is coming America's way

Defusing local opposition to "fracking" to extract gas from rocks deep below the surface is an issue many of the more tactically-adroit MPs are increasingly concerned about.

BBC: Week ahead