1) grotto resources
洞穴资源
2) development of cave tourism resource
洞穴资源开发
4) caves
[英][keiv] [美][kev]
洞穴
1.
Study of Database Construction of Karst Caves in China;
中国岩溶洞穴数据库建设研究
2.
High-frequency seismic prospecting used to find caves in the rock-mass below stakes;
桩位下浅层基岩内洞穴的高频震波勘探研究
3.
When it was being drilled,a vertical well was drilled at first,and caves were made in coalbed gas sect,then a horizontal well were drilled at a distance of 200 m,horizontal segment were in connection with the caves,and 10 branch holes were lateral drilled symmetrically in horizontal sect.
钻进时,先钻一口直井并在煤层段造洞穴,在距200 m处钻一口水平井,水平段连通洞穴,再在水平段上对称侧钻出10个分支井眼。
5) cave
[英][keɪv] [美][kev]
洞穴
1.
Detecting badger cave disease in embankment by ground penetrating radar;
堤防动物洞穴的探地雷达探测研究
2.
Grouting applied to treatment of roadbase cave in loess areas;
注浆法在黄土地区公路路基洞穴处理中的应用
6) Cavity
[英]['kævəti] [美]['kævətɪ]
洞穴
1.
When the ion cyclotron resonance heating is adopted in Tokamak, in order to protect the antenna in a better way, the antenna is usually placed in the cavity.
在托卡马 克中采用离子 回旋共振加热时 ，为了更好地 保护 天线，常 常把天 线置 于洞穴 内。
2.
A finite element method with perfectly matched layers(PML) is developed for wave scattering from a two-dimensional cavity embedded in an infinite ground plane.
给出二维洞穴散射问题的带有吸收边界层的有限元方法。
补充资料：森林资源(见世界森林资源、中国森林资源)
森林资源(见世界森林资源、中国森林资源)
forest resources
sen Iin ziyuon森林资源(forest resources)见世界森林资源、中国森林资源。
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