1) BBUL Bumpless Build-Up Layer
内建非凹凸层
2) layer seam
凹凸层缝
1.
By practice, the construction method of layer seam used to improve the layer stabilization can reduce the anti seepage criterion, simplify its construction process and bring down the investment of RCC dam to a certain degree.
实践表明,通过采用凹凸层缝施工法增强层面抗滑稳定,不仅能够在一定程度上降低坝体碾压混凝土防渗标准、简化工程施工以及降低工程造价,而且能够保证坝体的安全稳定。
3) roughness
[英]['rʌfnis] [美]['rʌfnɪs]
凹凸层
4) convex and concave nonlinearities
凹凸非线性
1.
In this paper we consider the existence of positive solutions and multiple solutions (possible not positive) of the semilinear elliptic equation with convex and concave nonlinearities, and critical Sobolev exponent.
本文考虑具有凹凸非线性和临界Sobolev指数的半线性椭圆方程的正解和多重解（可能非正）的存在性。
5) local p-convex and p-concave nonlinearity
p-凹凸非线性项
6) concave and convex nonlinearities
凸凹非线性项
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