查询词典 difficult point

In Part Two, the semantic categories are subclassified in detail, and it is noticed that the difficult point lies in understanding the notions of possibility and necessity, since both can be divided into epistemic, deontic modality and the one between the two.

但因可能性和必须性又有不同程度，可分为epistemic认识性和deontic义务性以及介于两者之间的三种程度，程度不同意义也就不同，这方面的助动词意义难以把握。

Purpose : Explore copies of disease treatment thinking , lump of issue , sum up clinical difficult point, summarize one healing solution of optimizing, in order to reach and shorten the course of treatment , improve curative effect , not merely treat completely , damage smaller and avoiding recuring, and the purpose keeping the breast beautiful, carry on the clinical practice.

目的：探索本病肿块期的治疗思路，归纳临床难点，总结一个优化治疗方案，以达到缩短疗程，提高疗效，不仅治疗彻底、损伤较小、避免复发，而且保持乳房美观的目的，并进行临床实践。

The wellbore trajectory control is the key and difficult point in slim hole cluster drilling technology.

井眼轨迹控制是小井眼丛式钻井技术的重点和难点，文中探讨了钻具组合、上部井眼曲率、钻井参数以及钻头选型对小井眼轨迹控制的影响，并建立了相应的井眼轨迹控制模式。

This is the difficult point of the paper but also the innovation of the paper.

这是本文的难点，也是本文的创新之处。

Corn hybrid variety identification hasalways been a difficult point of seed testing in china,it has important practicalsignificance to study and spread fast corn variety identification for country andenterprises.

而玉米杂交种纯度鉴定是我国种子检验工作的一个难点，研究和推广快速玉米种子纯度检测技术，对国家和企业具有极其重要的现实意义。

The following is mainly dealing with the problems excisting in rural drinking water:tap water popularizing rate is high but low in really qualified drinking water; water supply costs so much but earns so little; it is hard to e,nter into the market and the percentage of private investment is low; water price is higher and higher year by year but service quality is still unsatisfactory; it is rich in water amount as a whole but poor in available water on the preson average; more administration and few law means;more state-owned corporations and few private-owned corporations; hygiene standard is out of date and there is few index parameter amount.It points out inputing fund is the key to solve the problem of rural drinking water.and the difficult point is how to manage the corporation.The

政府要加快立法，理顺行业监管职能归属，适当集中管制权，改革价格管制方式，推进产权和经营管理体制改革，尽快修订农村饮用水卫生标准，推广用水户参与式管理，加强水源保护和水污染治理，并提出了解决浙江省农村饮用水的总目标和阶段性的目标与任务。

The metal barrel irrigates voluntarily double edge seal machine and upper now available marketplace seal machine holding a hole with being compared with each other , is able to resolve several the following difficult point

本金属桶灌装孔的自动双重边封口机和市场上现有的封口机相比，能够解决以下几个难点

The difficult point in our investigation is to distinguish whether what are represented as personages in mythology or art possess a real individuality or personality, or whether they contain but the empty semblance of it, and are only mere personifications.

困难点，我们的调查是要区分是否是什么派人士的神话或艺术拥有一个真正的个性或性格，或他们是否包含但空的假象，并只仅仅

Next is "A discussion of the application of heterophony in western modern music". The key and difficult point of this issue is in which works of which composers heterophony is applied.

接下来是&支声在西方现代音乐中应用概述&，这一问题的关键也是难点是哪些作曲家的哪些作品中应用了支声。

The abstract grammatical meaning and flexible usages of prepositions make it a difficult point in teaching Chinese as a second language.

介词由于其抽象的语法意义和灵活的用法而成为对外汉语教学中的一个难点。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。