难点

The boys argued over the thorny points in the lesson.

孩子们辩论功课中难点。

Pet pet my favourite pet is haster.

由慢及快，很轻松地解决了难点。

PE teaching to the punily community is the very difficult part in colleges.

高校体育弱势群体体育教育工作是体育教育领域1个难点。

It treatisedespecially new request of howff of new times ,the nodus and essentiality of landscape creativity.

特别是对新时纪住宅新要求、景观创新难点、重要性进行了论述。

The primary method in calculi can only solve a thimbleful type of evaluations of infinite integral.

无穷限积分是微积分学中广义积分类型,是积分知识个难点内容。

Sulphuric acid colour is an important quality index for 2 ethylhexanol (EH) and a difficult point in process control.

硫是辛醇产品项重要质量指标，也是生产控制中个难点。

One of the main difficulty in synthesis core-shell magnetic polymers is the monodispersion of the magnetic nanoparticles in organic monomer.

制备核壳型高分子磁性材料个最主要难点就是纳米四氧化三铁在有机单体中均匀分散。

The main difficulty on the study of aeroelasticity lies in the effects of unsteady separation, shock and viscosity to the stall flutter.

振荡叶栅非定常分 离、粘性效应和跨音激波对失速颤振影响成为当前气动弹性力学 主要难点。

The diagnosis of occult fracture, which is always be maldiagnosed, even leads to unnecessary medical dispute, is one of difficulties in clinical osteological surgery.

摘要隐匿性骨折诊断是当前临床骨外科诊疗过程中难点之，很容易造成漏诊、误诊，引起些不必要医疗纠纷。

It is a difficult thing for our student to draw a block digram according to a principle digram,the difficulties are analysed and some good methods are also given in this article.

以道题为例，对绘制框图时几个难点进行了较深入分析，给出了克服困难方法.