concave是什么意思

网络释义

用法例句

Diagenesis in sequence stratigraphic framework of Paleogene strata in Bozhong Depression;

渤中凹陷古近系层序格架内的成岩作用

Petroleum Generation History of Lower Tertiary Source Rocks from the Bozhong Depression of the Bohaiwan Basin;

渤海湾盆地渤中凹陷下第三系烃源岩生烃史

Moho behavior and basin formation mechanism in Bozhong depression;

渤中凹陷莫霍面特征及盆地形成机制

A study on Paleogene tectonic sequences in Bozhong sag;

渤中凹陷古近系构造层序研究

Natural gas in the Bozhong sag is of organic origin.

渤中凹陷天然气为有机成因气,但部分气藏烷烃碳同位素出现异常。

In Bozhong Sag, the biodegraded oil is characterized by high density, high viscosity, lower wax content and lower ratio of saturate to aromatics(<3.

渤中凹陷生物降解原油具有高密度、高粘度、低含蜡和饱芳比小于 3的特征 ,非生物降解原油具有低密度、低粘度、高含蜡和饱芳比大于 3的特征。

Reservoir quality evaluations for the middle-deep intervals and reservoiring condition analyses for the subtle sandbodies in Liaozhong depression;

辽中凹陷中深层储层质量评价及隐蔽砂体成藏条件分析

Main Controlling Factors in Mid-deep Reservoirs in Liaozhong Depression;

辽中凹陷中深层储层主控因素研究

The gear shaving,which is widely applied to the manufacturing of the automobile, the tractor and mechine tools, is a traditional process of high-efficiency on the gear precision work, but the standard gear shaving tool when shaving can produce the flank concave, affecting the gear tooth profile processing precision and the gear transmission quality (high noise, low life).

剃齿是齿轮精加工的高效传统工艺,广泛应用于汽车、拖拉机和机床制造行业,但标准剃齿刀在剃齿时会产生齿形中凹,从而影响了齿轮齿形的加工精度和齿轮的传动质量(高噪声、低寿命)。

It solves the flank concave problem.

针对齿轮剃齿加工中的齿形中凹问题 ,打破传统的剃齿刀修磨方法 ,利用齿面镀有金刚石的修磨轮在剃齿机上修磨剃齿刀 ,从而解决剃齿中凹问题。

The Guizhong depression with special geotectology conditions is bounded on the north by the Guibei antiklise and the Yangtze platform, on the west by the Youjiang regenerated geosyncline, and on the east and the south by the Dayaoshan rise.

桂中凹陷大地构造条件特殊,其北为桂北台隆,与扬子地台接壤,其西与右江再生地槽连接,其东和南与大瑶山隆起相连。