bilevel

For the bilevel decision problem with multiobjective, this paper discusses its decision mechanism from the decision makers preference relationship: semi-cooperation and pure independence, we show that their noninferior solution sets can be represented by using the augmented weighted Tchebycheff norm problems.

针对一类多目标两层决策问题，从上、下两层决策者之间的偏好关系出发，探讨了问题的决策机制：半合作决策机制与纯独立决策机制，说明了可以利用增广加权Ｔｃｈｅｂｙｃｈｅｆ范数问题来有效地表示它们的非劣解集，据此设计辅助这类多目标两层决策问题的交互式决策方

Using the special fire furnace and experimental set-up designed for 2-bay and 2-storey composite steel frames,the performance of 2 full scale 2-bay and 2-storey composite steel frames in the same span fire were studied.

利用自行研制的火灾试验炉,对3榀两层两跨组合钢框架在不同火灾工况下的性能进行了试验研究,火灾工况包括:单室受火、同跨受火和底层受火三种工况,试验时,梁、板、柱同时受火,节点不受火。

The interaction of water waves with a submerged circular cylinder in a two-layer fluid of finite depth;

有限深两层流体中水波与水平圆柱潜体的相互作用

Hydrodynamic characteristics of a submerged pulsating circular cylinder in a two-layer fluid of finite depth;

两层流体中振荡水平圆柱潜体水动力特性

Added mass and damping of a floating rectangular box in a two-layer fluid;

两层流体中矩形箱浮体的附加质量和阻尼系数

The transient flow in two-layered reservoirs with weak cross-flow interlayer is investigated, including two cases, one is the flow in radical layered reservoirs with production in single zone, another is the flow in one-dimensional layered reservoirs with a producing well and a injection well in different zones.

本文研究了层间有弱渗透夹层的两层油藏中两种情形的瞬态渗流,包括单层打开的瞬态渗流和一层注入、一层采出的两层油藏的瞬态渗流。

Determination of pump setting depth for commingled production wells in the reservoir with two heterogeneous layer system;

葡西油田两套层系合采井的合理泵挂深度

one thickness of cotton wool and two thicknesses of felt

一层棉絮及两层毛毡.

having a thickness made up of two layers or strands.

有两层或两股厚度的。

Two or more layers of fabric are combined by pushing barbed needles through them.

用钩针将两层或两层以上的织物缝合。

Two cell layers( diploblastic) separated by a gelatinous mesoglea.

两层细胞(胚层)中间是凝胶状的中胶层。

The five storey building has three floors of offices and two floors of apartments.

这幢楼共有五层，三层办公，两层民用。

He lives in a house of two storeys.

他住的是两层楼的房子。

She lives two floors up.

她住在再往上两层。

two tier car carriage

装运两层汽车的车辆

double taper bit

两层镶嵌刃取心钻头

He applies two coats of paint to the table.

他在桌子上涂了两层漆?

This two-story building is a classroom building.

这栋两层小楼是教学楼。

The head distribution is different in the two layers.

两层中的水头分布不同。

but I prefer a two-story home.

但我喜欢两层楼的房子。

This pad consists of one thickness of cotton wool and two thicknesses of felt.

这个垫子有一层棉花两层呢毡。

A vein of mineral ore deposited between clearly demarcated layers of rock.

位于层次分明的两层岩石之间的矿脉

Advanced Two Layer Polyethylene Pipeline Protective Coating Technology

先进的两层聚乙烯管线防护涂层技术

No.3 upper tween-deck wings

三舱上二层甲板两侧

a two-tiered system,ie one with two distinct levels

双重系统（有两个层次的）.