1) concave relief
凹地形
2) concave landforms
凹形地貌
1.
Based on blasting vibration monitoring for the second phrase for Ling-ao Nuclear Power Station in Guangdong Province,the wave propagation characteristics under blasting in concave landforms are simulated with UDEC.
应用UDEC程序模拟了爆破振动波在凹形地貌中的传播特征,并与广东岭澳核电站2期基础爆破开挖现场监测结果进行了对比。
3) canyon
[英]['kænjən] [美]['kænjən]
凹陷地形
1.
Scattering of Rayleigh waves by a shallow circular canyon:high-frequency solution;
Rayleigh波在浅圆凹陷地形附近的散射:高频解答
2.
Elastic Wave Scattering by a Canyon or Tunnel in Layered Saturated Half Space;
层状饱和半空间中凹陷地形或隧洞对弹性波的散射
3.
Scattering of P and SV Waves by a Canyon in a Layered Half-space;
层状半空间中凹陷地形对P波和SV波的散射
4) knob-and-basin topography
凸凹地形
5) conducting concave surface
凹形接地面
1.
Analysis of the inverted L antennas mounted on a conducting concave surface;
架设在凹形接地面上倒L天线的研究
6) circular arc canyon
圆弧形凹陷地形
1.
An analytical solution of scattering of incident plane SV waves by a circular arc canyon with a covering layer was derived by Fourier Bessel series expansion technique, and the solution was utilized to analyze the effects of the covering layer on incident plane SV waves.
利用 Fourier- Bessel级数展开法 ,给出了表面具有覆盖层的圆弧形凹陷地形对入射平面 SV波散射问题的一个解析解 ,并利用该解分析了不同深宽比凹陷地形表面覆盖层刚度和厚度对入射 SV波的影响 。
补充资料：凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚， 毫 米
F， 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条