Effects of the movable die on sheet hydroforming;
可移动凹模对板材液压成形影响的研究
Cause analysis and process control on concave defect of continuous casting billet of low carbon steel;
低碳钢连铸方坯凹陷形成原因分析及控制工艺
Correlation of hydrocarbon occurrence to structural evolution of central uplift belt in the Dongpu depression;
东濮凹陷中央隆起带构造变动与油气分布的相关分析
Algorithm for Automatic Identification of Pavement Depression by Datum Plane Fitting Method
采用拟合基准面法进行路面凹陷自动识别的算法
Erlian basin is a large-scale continental-facies sedimentation basin with coal and oil,formed of many small Early Cretaceous lake depressions,contains abundant coalbed gas resources.
为了查明二连盆地煤层气分布特征和勘探潜力,首先,从区域地质背景和聚煤特征等方面分析了二连盆地煤层气成藏条件,并对各凹陷煤层气地质条件进行了分析对比和排队,优选出了11个煤层气勘探有利凹陷;其次,通过研究煤炭储量较大的白音华凹陷的煤层厚度、埋深、煤岩煤质特征、煤储层物性、煤层气保存条件和资源分布等因素,认为白音华凹陷煤层气成藏条件较好,并进一步指出该凹陷东部煤层厚度大、分布稳定、埋藏适中、煤层气富集且保存条件好,是今后首选的煤层气勘探目标。
The degree of concavity in such a depression.
凹陷，凹度这种凹陷的程度
An indentation or small hollow.
凹处凹陷处或小洞小坑
A slight depression or indentation in a surface.
凹痕表面上轻微的下陷或凹陷
Analysis of Hydrocarbon Exploration Potential in Bozhong Depression--Compared with Dongying and Zhanhua Depressions
渤中凹陷油气勘探潜力分析——与东营凹陷和沾化凹陷类比
make pits or hollows in sth
使某物上有凹陷、有麻点
elevation of depressed cranial fracture
颅骨凹陷骨折掀起术
excision of depressed cranial fracture
颅骨凹陷骨折切除术
Both were growing hollow-eyed.
双方都变得眼睛凹陷了。
The eyes are often retracted from dehydration.
眼睛常因脱水而凹陷。
His cheeks were sunken from hunger.
他的面颊因饥饿而凹陷。
a sag in the seat of the chair
椅子座位部分的凹陷.
a sunken or depressed engraving or carving.
一种凹陷的雕版或雕刻。
a concavity in a surface produced by pressing.
由于挤压而形成的凹陷。
Her eyes have sunk.
她的眼睛凹陷下去了。
There was slight pitting edema over both legs.
两下肢轻度凹陷性水肿。
The river hollows its bank.
河岸因流水而凹陷。
His cheeks were sunken and his cheek-bones prominent.
他脸颊凹陷，颧骨突出。
An indented or concave surface or area.
凹陷，洼地凹的表面或地区