难题

When I meet a hard nut to crack,, it will help me.

当我遇见一个难题时，它将帮助我。

When I meet a hard nut to crack, it will help me to solve.

当我遇到难题时，它会帮助我解决。

That' s a hard nut to crack.

那是一个难题。

However, the author thinks: Only obtain employment solves obtain employment is a kind of train of thought only, rely on poineering ability to solve obtain employment difficult problem abidingly.

然而，笔者以为：仅就业解决就业只是一种思路，靠创业才能持久地解决就业难题。

Key Words:abiogenesis, natural combination, evolution, problems

无生源论，自然化合，进化，难题

In addition to his affinity for trial scenes and knowledge of legal intricacies, Shakespeare's plays abound with dialogue that has special meaning for lawyers.

除了他对法庭场景的喜爱、对法律难题的知识，莎士比亚的戏剧语言充满了对于律师来说意义特殊的话。

Among these five kinds of services, ABR has been widely used, but has more difficulty in flow control.

在这5项业务中，ABR业务类型具有广泛的应用前景，但在流量控制中也存在更多的难题。

According to various of the technical difficulties such as low drilling efficiency in hard rock and short service life of diamond drilling bit, analysis was made on the inherent links between blade-extruding of hot-pressing diamond and rock abrasiveness.

中文摘要：针对在坚硬致密岩石中钻进时效低和钻头使用寿命短的技术难题，分析了热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于金刚石出刃，从而能提高钻进速度。

In order to solve the problem of low efficiency and short service life of hot pressed diamond bit when drilling in hard and compact formation, relations between diamond exposure of hot pressed bit and rock abrasiveness were analyzed in this paper. Research on matrix performances of hot-pressed diamond bit was firstly carried out.

针对在硬而致密岩石中钻进时效低的难题，本文分析了碳化钨基热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于全刚石出刃，从而能提高钻进速度。

Evaporator absciss layer problem is a big quality problem in electric refrigerator.If this situation occurs,there will be a lot of problems such as affecting refrigeration effect,shortening compressor life cycle,increasing power consumption and userscost.

蒸发器离层问题一直是电冰箱产品的一大质量难题，冰箱冷藏室蒸发器离层，不仅影响冰箱的制冷效果，缩短压缩机的使用寿命，同时增加耗电量，提高了用户的使用成本。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。