查询词典 difficult point

The position adjustment is both a key technology and difficult point for control of the ducted fan UAV.

涵道风扇无人机的姿态调整是其控制的一个关键点也是一个难点。

The air well drilling is one kind of practice underbalance drilling,compared with other well drilling relatively have one's own advantages improve the speed of drilling,Protect the oil gas from bearing formation,find the oil and gas in time,but require especial equipment,Minimum displacement in the air well drilling is the difficult point,and its key too.

空气钻井是一种实用的欠平衡钻井，与其他钻井比较有自己的优势：提高钻速，保护油气层，及时发现油气，但装备要求高；空气钻井中最小排量的是难点，也是其关键点。

He was a brilliant talker, and when he was arguing some difficult point he had a way of skipping from side to side and whisking his tail which was somehow very persuasive.

他是一个很有才气的演说家，争论问题的时候会有一种跳跃式的方法，经常摇晃着他的尾巴，使他在任何时候都极具说服力。

Unemployment peasant workers and their social security problems have already bulged the obvious hot spot and difficult point problem in our country.

农民工失业问题已成为我国社会生活中日益凸显的热点和难点问题。

According to the modern performance evaluation theory of security investment fund, the collectivity performance evaluation of fund is mainly weighed by colligating the ability of making income and the ability to control risk, and how to measure the risk of fund considering the yield rationally is a difficult point question.

按照现代的证券投资基金业绩评价理论，对基金的总体业绩评价是用一个指标将基金创造收益的能力和控制风险的能力综合起来考察，采用怎样的风险度量是指标应用效果的关键问题。

This kind of relationship is not easy to be defined; kind is the must difficult point to clear the property rights of the modern enterprise.Through studying, we believe the key of the state-owned enterprises share-holding system of twenty lie in straitening the relation of the properly rights and forming and structure of properly rights, establish a perfect corporate system, such as multiple property rights, artificial person, socialization, perfect and far marked system, disappear the state-owned enterprise equity, make the state-owned equality share by some state-owned asset agents and construct reasonable equity structures.

在企业产权多元化改制中，部分资产或全部资产应有偿清晰到自然人，这是产权高度清晰的标志，而使产权结构多元化、法人化、社会化和培育充分公平竞争的市场体系，把国有股配置给多个国有资产代理人，构造合理的股权结构，则是国有企业治理结构的保证。

The turbine disk is on the aircraft engine the extremely important components, for its high precision, the hard machine-finishing, under the high speed high temperature environment works, is the key complex component, in the entire turbine processing also is a difficult point.

涡轮盘是航空发动机上十分重要的零件，它的精度高、机械加工难度大，处在高速、高温的环境下工作，是关键复杂构件，在整个涡轮机加工中也是一个难点。

The turbine disk is on the aircraft engine the extremely important components, for its high precision, the hard machine-finishing, under the high speed high temperature environment works, is the key complex component, in the entire turbine processing also is a difficult point.

摘 要：涡轮盘是航空发动机上十分重要的零件，它的精度高、机械加工难度大，处在高速、高温的环境下工作，是关键复杂构件，在整个涡轮机加工中也是一个难点。

The turbine disk is on the aircraft engine the extremely important components, for its high precision, the hard machine-finishing, under the high speed high temperature environment works, is the key complex component, in the entire turbine processing also is a difficult point.

毕业论文字数：33067 页数：73 带图纸任务书说明书）摘要：涡轮盘是航空发动机上十分重要的零件，它的精度高、机械加工难度大，处在高速、高温的环境下工作，是关键复杂构件，在整个涡轮机加工中也是一个难点。

It's a difficult point of hydrocarbon prospecting in tight clast of the west depression of Sichuan basin.

川西坳陷深层致密碎屑岩的油气勘探是当前的一个难点。

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。