We regard husband and wife as the primary units of the family.

Husband and wife should switch roles ( with each other ) occasionally.

夫妻间应该偶尔 ( 彼此 ) 对调充当的角色.

Some people think that husband and wife should never work together.

有人认为夫妻二人绝不应该在一起工作.

They lived together as husband and wife for years.

他们结为夫妇,共同生活了很多年.

Are they husband and wife?

他们是夫妻吗？

Application of MATLAB mathematics software in reservoir engineering model parameter determination

MATLAB数学软件在油藏工程模型参数求解中的应用

Reservoir Engineering Project Research and Application of Molecule Deposition ( MD) Drive

MD膜驱油藏工程方案研究与应用

Water displacement characteristic curve is a useful tool in reservoir engineering.

水驱曲线在油藏工程中是一个很有用的工具。

Reservoir engineering quantitative descriptive method of oil field reserve producing situation

油田储量动用状况定量描述方法

Value model of petroleum reservoir engineering development and its application

价值模型在开发油藏工程中的初步应用

Quantitatively calculate remaining oil saturation using reservoir engineering method

油藏工程方法定量计算剩余油饱和度

Rational well spacing density is optimized through reservoir engineering and economic method.

利用油藏工程方法和经济法优选合理井网密度；

Explored Reserves' Reservoir Engineering Evaluation Method Study

探明储量的油藏工程评价方法研究

Effect of particularity of visco-elastic fluid on reservoir engineering and production engineering

粘弹性流体的特殊性对油藏工程、地面工程及采油工程的影响

But it brought complicated reservoir engineering problems.

但是，它所引起的油藏工程问题比较复杂。

Case studies indicate the correctness and practicability of these equations which can be used in reservoir engineering study and prediction.

用较多的实例证实了递减率微分方程与相关公式的正确性与实用性，这些公式可用于油气藏工程研究与预测。

The Design and Implement System of Oil Reservoir Engineering Data Graphs

油田油藏工程数据图件生成系统设计与实现

Having a reasonable gas reservoir engineering design;

2气藏工程设计细致、求实；

Production decline curve analysis is an important technique used in oil and gas reservoir engineering.

油气藏产量衰减曲线是油气藏工程研究的重要方法之一。

The Fuzzy Analyses on the Reservoir Engineering Eliminating Dangers and Increasing Advantage

水库工程除险与兴利模糊评价分析

The Method of Reservoir Engineering to Calculate the Original Oil Saturation of Complex Reservoir

复杂油藏原始含油饱和度计算方法