难

Mine accident is a ponderous topic,and the matter of reducing mine accident has become an urgent task.

矿难是一个沉重的话题，如何遏制矿难则是一个严峻的课题。

And so the writer and his peers complete for the prize of 'most complicated book': the one who wins will be the one who has succeeded in being the most difficult to read.

所以作家和其同僚竞争"最难理解图书"奖，获奖者是成功写出最难读懂图书的人。

Ddifficult medical services and expensive medical cost are protuberant problem in our country's current medical service system.

在我国现有的医疗体系下，"看病难、住院难"问题日益突出。

The breakneck speed of the Puppis A neutron star, plus an apparent lack of pulsations from it, is not easily explained by even the most sophisticated supernova explosion models.

"这个宇宙泡状球体的难迷惑就在于在自然条件下是如何弄出这么强有力的大炮"Winkler说到。高速可以被解释成由常见的高能量爆炸引起，但是模型非常复杂并很难适用于真正的爆炸。

Jamesonite, marmatite, pyrrhotite and pyrite are the complicated and mutiple-metal sulfide resources to process difficultly in Dachang Mine. Research on the basic theory of flotation electrochemistry and on potential-controlled flotation technology of the sulfide resources can be helpful to develop some new flotation theory and technology of the complicated and mutiple-metal sulfides, and to utilizate comprehensively the mineral resources, and to lower their production cost, and to improve the economical benefits. It is of important theoretical and practical significance.

脆硫锑铅矿、铁闪锌矿、磁黄铁矿、黄铁矿是大厂特有的难分离、难处理的复杂多金属硫化矿物资源，对其进行浮选电化学的基础理论和电位调控浮选技术研究，可发展复杂多金属硫化矿物浮选分离理论，形成复杂多金属硫化矿物浮选分离的创新技术，加强矿产资源的综合利用，降低成本，提高经济效益，具有重要理论意义和现实意义。

While trying to get a grasp of the septile aspect, I went back to John Addey (1920 1982), a key voice in bringing Pythagorean understanding of numbers into modern astrology. He wrote Harmonics in Astrology in 1976; it is now back in print after many years. He writes that the number seven (and the 7th harmonic)"is a difficult number to pin down" and "somewhat elusive to interpret."

为了试图给7分相位一个浅显的解释，我找到了历史上的一位占星家，名叫 John Addey ，将毕达哥拉斯对数字的理解带进了现代占星学，他1976年出版了一本《占星中的数字和谐》，书中有关数字7和7分相位，他写道"它是一个很难确定，很难下结论的数字"并且"不太容易解释和捉摸"。

The words that he says can hardly accept, comparing him to act a more difficult ream person to accept.

他说的话很难接受，比他的动作更难令人接受。

Owing to its rich resources,profound ideas,refined tastes and unique aesthetic senses,Taoists' philosophy is an essential part of Chinese even world's life and death theory,causing a great impact on the descendants.

正是由于道家生死思想的丰富深刻，其见解的超凡脱俗，所以，本文虽然很想穷尽道家生死哲学的特点，但实际上却很难很难，所以只能是"浅析"其特点了。

They would find it difficult to explain their repugnance, but it would operate strongly to put them on their guard.

他们会发现很难解释他们的反感，他们会发现难解释他们的矛盾，但它在他们的卫兵上将强烈经营把他们放。

What must really fall in love with a person is such easy, what but takes a group not resentfully really to love is good difficult good difficult.

要爱上一个人真的是那么的容易，但是要一路无怨的爱下来真的是好难好难。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。