难

painting, good abstract painting, raises some of the greatest challenges for an artist today.

抽象画，尤其是好的抽象画，是今天的画家极难做到的。

Because the concept of field is abstract and it demands good space imagination, the students always feel it s difficult.

由于场的概念比较抽象，对学生空间想象力要求较高，学生普遍感觉本课程较难。

Gauss dimension straps citing to express, people may decide the right way of an abstractionism picture very hard, but OK and fast make out the photograph of a parrot, even if parrot is to be concealed in one caboodle among the leaf.

高斯维勒举例表示，人们可能很难确定一幅抽象派艺术图片的正确方向，但可以快速辨认出一个鹦鹉的照片，即便鹦鹉是隐藏在一堆树叶中间。

It is hard to believe that it is simply their primitive abstractness that makes the difference.

很难相信，这简单的就是最初的抽象性『abstractness』就是最重要的。

It is very difficult to understand compiling algorithms because of their abstractness.

由于编译原理的算法比较抽象，要理解它们很难。

Nuclear physics is a subject that is too abstruse for most people.

核物理是一门对大多数人来说太难理解的学科。

Her abstruse arguments were hard to follow.

她深奥的辩论很难被理解。

His statement is a bit too abstruse.

他的话很难理解。

The scheme is proven to be forward secure, which is based on the abstrusity of discrete logarithm and square rood modulo composite number problem.

新方案的特点是将当前密钥隐藏在签名中，仅使用与当前密钥有关的信息对消息进行签名，与后继密钥无关，签名的前向安全性基于离散对数和模合数平方根问题的难解性。

It is possible to do some almost absurdly difficult-to-understand things with regular expression (but ones that are nonetheless useful).

这是有可能做一些荒唐几乎很难理解的事情经常表达but的仍然是有用的）。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。