1.
The world is scraping Bottom in the deepest economic slump in a half-century.
世界目前正处在半个世纪以来最严重的经济衰退的沟底。
2.
Perhaps they were searching for morsels of food on the stream-bed; or maybe they sought the chill cold of the deep water.
不知是在寻找沟底的细微食物，还是贪那深深的水里的寒冷。
3.
channeled substrate planar laser
沟道衬底平面激光器
4.
Indicates back or backing. Use in conjunction with a groove symbol.
指示底焊或封底焊。与沟符号一起使用。
5.
A long, steep - sided valley on the ocean floor.
海沟一种海底狭长而两边陡峭的山谷
6.
channeled substrate buried heterostructure laser
沟道衬底隐埋异质结构激光器
7.
The under cover should rest on the four corners of the machine table groove.
把底槽支到机台沟的四角上。
8.
Microsurgical treatment of tumors of anterior skull base by extended anterior subcranial approach
扩大前颅底入路显微手术切除前颅底鼻窦沟通瘤
9.
Preliminary Study on Macrobenthic Community of the Creek in the Tidal Flat of the Changjiang Estuary
长江口潮沟大型底栖动物群落的初步研究
10.
Periodization and Distinctions Research on Miaodigou 2nd Culture Remains in Shanxi;
山西庙底沟二期文化遗存分期与分区研究
11.
The Analysis of Folklore Tourism Development in mentougou s Cuandixia;
浅析门头沟区爨底下村民俗旅游的发展
12.
Study on GMS Simulation Model of Floor Water Inrush in No.1016 Coalface of Anhui Wugou Mine
安徽五沟煤矿1016面底板突水GMS模拟模型研究
13.
Skull base reconstruction after resection of tumors communicating the intra- and extra-anterior cranial fossa
颅前窝内外沟通性肿瘤切除术后的颅底重建
14.
Qingcaosha No.5 Trench Project Mass Invert Multiple Methods of Temperature Control Simulation and Comparative Analysis
青草沙五号沟泵站大体积底板温控仿真及分析
15.
Neuroendoscope-assisted surgical treatment for anterior craniobasal communicating tumors
神经内镜在前颅底沟通性肿瘤手术中的应用
16.
Study of Numerical Simulation of Fan-pattern Hole Bottom Distance of Xiaodonggou Molybdenum Mine
小东沟钼矿扇形炮孔孔底距数值模拟研究
17.
Microsurgical resection of the cranio-orbital tumors and reconstruction of the skull base defects
颅眶沟通瘤的显微手术治疗及颅底缺损修复
18.
Diffusing Painted Pottery of Miaodigou Culture to Central-Southern China
庙底沟文化彩陶向南方两湖地区的传播