查询词典 difficulty

We can find out that from 2 meters to 20 meters is a difficulty for the several mainly electromagnetic methods, but this domain is closed related with human's activity.

通过多年的实践，人们已经认识到时间域电磁法跟频率域电磁法相比具有多方面的优势，特别是1千米以上范围是时间域探测的强项。

He said, Do you have any difficulty in seeing the sun when there are no clouds?

"他说："你有什么困难，在看到太阳的时候，有没有云彩？

All the neighbors clubbed together to help him through difficulty .

所有的邻居都来帮他渡过难关。

All the neighbors clubbed together to help him through difficulty.

所有的邻居都来帮他度过难关。

Eg:All the neighbors clubbed together to help him through difficulty.

所有的邻居都来帮他渡过难关。

On the other, it can not be applied extensively for the shortcomings of coacervation easily and reclamation difficulty.

但是由于存在易凝聚和难回收等缺点，给实际应用带来了一定的困难。

It was with great difficulty that the self-important man in the cocked hat restored order.

那个戴着三角帽、妄自尊大的人是费了许多力气才把秩序维持下去。

AVO analysis is suggested for solving to solve the difficulty in identification of thin alternating layers in exploration of oilfields. It can improve the current method that has no thickness variable in the formula of reflective and is limited by sampling rates in calculation of the coefficient in the time of domain. Using the relationship of stress and displacement on two interfaces, this paper derives the spectrum of reflective coefficient for any incidence angle and thiekness of thim layer based on the equation of seismic wave propagation in the frequency domain.

针对油气田开发中薄互层认识难的问题，提出从AVO分析解决困难，克服现有方法在反射系数公式中无厚度变量、时间域计算反射系数谱受采样率限制的不足，运用两个界面间位移与应力关系，从频率域地震波传播方程推导了任意入射角和薄层厚度下的反射系数谱。

Ccording to the philosophical standpoint of the system theory,this thesis discusses the question of the cognation and method theory of the slab structure doctrine which is the leading theory of the modern geological science,and analysises the existent four essential theroetical diffiCulty.

本文根据系统论哲学观，讨论了当代地质科学主导理论板块说的认识论与方法论问题，分析了所存在的四个根本性理论困难，并基此而提出地学发展的理论新命题──地壳及岩石圈板块运动属性的三维与两维之辨。

Many are not color blindness person in distinguishes and in the discrimination purple and other colors also has certain difficulty.

很多人不色盲的人的区别，以及在歧视紫色和其他颜色也有一定的困难。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。