难

Superior corrosion resistance, no corrosion in acids、alkali and aqua regia.

具有优异的耐蚀性，各种酸、碱甚至王水都很难侵蚀它。

It will be difficult to communicate with an Aquarius, and there will be conflicts on who should lead the relationship.

这将是很难沟通的水瓶座，将会有冲突，谁应该领导的关系。

His name is hard to pronounce, it's Arabic.

他的名字太难念了，是阿拉伯语。

In comparison, a standard arbalest could barely shoot one in that time.

相比较而言，标准的中世纪劲弩是很难在这么短的时间内射出一支箭的。

What is the whistle of the arbiter who has never understood?

您职业生涯遇到的最难理解的判罚是哪次？

The measuring method of the dynamic characteristic of arc welding power source is always a difficult problem in welding.

弧焊电源动特性的测定方法在焊接研究中一直是一个很难解决的课题。

If you want to know what that symbol is, you should be able to find it within the legendary Arcane Sanctuary.

如果你想知道那个是正确的符号，你应该可以在传说中的神秘庇难所中找寻。

With hindlimb feathers, as well as flight muscles less developed than those of present day birds, Archaeopteryx may have found it difficult, if not impossible, to take off directly from the ground.

与后肢的羽毛，以及飞行肌欠发达，比那些现今的鸟类，始祖鸟可能发现很难，如果不是不可能的起飞，直接从地面。

It is difficult to establish any archetype for failure from the past two years.

他们很难从过去两年的失败中树立任何的典型。

Any integer multiple of an infinitesimal is still infinitely small, i.e., infinitesimals do not satisfy the Archimedean property .

这种做法失宠于19世纪，因为这是很难的概念微不足道精确。

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。