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According to the theory of hierarchical description of reservoir, geological entities of different orders is described step by step in Lamadian oil-field, and the technical standards which can be convenient to manipulate is established. Otherwise 7 kinds of fine depositional models such as large-sized depositional sandbody of braided river, meandering river, low-sinuosity-straight distributary channel, crevasse channel, channel bar, subwater distrbutary channel and sandsheets are established.

中文摘要本文根据储层层次描述原理，在宏观上对喇嘛甸油田不同级次的地质实体进行了逐级描述，确立了各个技术环节便于操作的技术标准，建立了大型砂质辫状河砂体沉积、大型曲流河沉积、低弯曲-顺直型分流河道沉积、决口河道沉积、心滩沉积、水下分流河道沉积、薄层席状砂体沉积7种类型精细的沉积模型。

"This change and adapting to English football gave me some difficulties to start with, but with the help of a great coach like Rafael Benítez, I'm starting to understand how to play in the team. You adapt step by step."

&这样的变化以及英超和意甲迥然不同的比赛节奏让我花了一段时间之后才能去适应，但是有像贝尼特斯这样伟大教练的悉心帮助，我开始找到自己在队伍里要扮演的角色，并渐渐适应了英超。&

FREE video, tinning brush, and step-by-step instructions included.

免费视频，镀锡一刀切，一步一步的指示包括在内。

The experimental method are established to determine the tortuosity factor. The SPSR method and the computer system are used to get the one-step origin quadrature and the two-step center quadrature. Parameter evaluation is also used to calculate the tortuosity factor.

本文建立了催化剂曲折因子的实验测定装置，用SPSR法，应用计算机采样系统，得到脉冲应答曲线的一阶原点矩和二阶中心矩，结合参数估计的方法，计算了XNC-98甲醇合成催化剂的曲折因子。

I want to put my knowledge and experience touse in a challenging position. In order to achieve this goal, Ijust want to work step by step.

我想把我的知识和经验运用到一个具有挑战性的工作中，为了达到这个目标，我只想一步一步地踏实工作。

The results show that: Basic density,tracheid length,tracheid width and the ratio of the tracheid length and width increase from core to bark; basic density has a small decrease from base to top,but the change is not significant;The tracheid length,tracheid width and the ratio of the tracheid length and width increase step by .step from the base up to certain height and then decrease by degrees.

基本密度自树干基部向上呈减小趋势，但变化不大；管胞长度、管胞宽度及管胞长宽比自树干基部向上呈&小—大—小&的变异规律；木材的化学成分含量和PH值除抽提物含量随着树高的增加而下降外，其它指标在树高方向上的变化未呈现明显规律性。

The tremie should be kept at the center during the installation, vertically lowered down step by step.

下放过程中应保持导管位置居中，轴线顺直，逐步沉放，防止卡挂钢筋笼和碰撞孔壁。

With the development of TETRA digital trunked communication in our country, the requirement for TETRA digital trunked system equipment will be increasing step by step.

随着我国TETRA数字集群通信的发展，TETRA数字集群系统设备的需求量不断上升。

Because of its compactness, fineness and unambiguity, formal analysis of security protocol has been an efficient and correct method step by step.

形式化分析由于其精炼、简洁和无二义性逐步成为分析安全协议的一条可靠和准确的途径。

Because of its compactness, fineness and unambiguity, formal analysis of cryptographic protocol has been an efficient and correct method step by step.

形式化分析由于其精炼、简洁和无二义性逐步成为分析密码协议的一条可靠和准确的途径。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。