1) Natal den
产仔洞穴
2) Breeding dens selection
产仔育幼洞穴选择
3) 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。
4) 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
5) 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。
6) Den
[英][den] [美][dɛn]
洞穴
1.
Ecological Characteristics of Tibetan Fox Dens in Shiqu County Sichuan Province, China;
四川省石渠县藏狐洞穴的生态特征分析
2.
Preliminary Study on Structure of the Wolf Dens in Eastern Inner Mongolia;
内蒙东部地区狼洞穴构造的初步研究
3.
In this paper, preliminary studies on wolves denning habitat selection in Eastern prairie of Inner Mongolia show clearly that the main factors affecting the dens are human disturbance and the source of water, others are hiding conditions, slope ,etc.
通过对内蒙古东部草原狼的洞穴生境因子的选择研究，结果表明：对狼洞穴影响的主要因子是人为干扰和水源，其次是隐蔽条件、坡位和坡度，对洞穴的开口方向也有一定的选择。
补充资料：洞穴
地洞或山洞（多指能藏人或东西的）。
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