查询词典 difficult problem

In accordance with the structural characteristics of the import installation, the technological process of hot assembly has been analyzed and discussed carefully. As a result, the difficult productive problem that the high-precision rotor without using central hole forced fit the arrangement of the axle sleeve has been solved and its rotor has been succeeded in repair.

针对进口设备的结构特性，通过认真分析和探讨热装的工艺过程，解决了高精度转子在中心孔无法使用的情况下进行大过盈配合轴套安装的生产难题，成功修复了该转子。

A series of special boring rod s made by using fine control boring unit solves the problem that produces easily rejected parts because of difficult adjustment in machining high-precision hole of shell components in ordinary boring machine.

利用微调精镗镗刀头设计制造了系列专用镗杆，解决了壳体类零件在普通镗床上加工高精度孔时，因对刀困难而出现辅助时间过长并易产生废品的问题，使生产效率和产品质量得到大幅度提高。

Can-body seam welding technology is applied to fuze reserve battery's miniaturization design to against the problem that it is difficult to mold liquid storage bottle of thin stainless steel plate.For this purpose,the seam welding power source base on fuzzy PID is designed and the fuzzy rule base is established.The system is simulated using Matlab/Simulink after the system structure is changed.

针对引信电源在小型化结构设计中薄板制不锈钢锂亚硫酰氯储液瓶成型难的问题，提出了罐身缝焊技术在引信储备电源中的应用；设计了基于模糊PID控制电流的缝焊电源，建立了模糊推理规则库；在改变系统结构的情况下，运用Matlab/Simulink仿真软件对系统进行了仿真。

If you think that it's too difficult and you can't solve the problem, change your point of view!

如果您认为这是太困难，你解决不了问题，改变你的观点！

The screw rolling gear is a kind of high- efficiency cutter used to process screw thread, however in the course of processing, there is a problem that the arbitrary multiple- head number is difficult to be divided with dividing plate.

滚丝轮是一种高效率的螺纹加工刀具，但在被加工的工程中，存在着任意头数很难用分度盘分度的问题。

State Bureau of Surveying and Mapping Division land mapping senior engineer, science and technology and quality supervision Director Ye silver tiger presentations, in recent years, as urban housing system reform and the rapid development of the real estate industry, consumers in the purchase of commercial housing, a growing number of disputes arising from the area. and in the settlement of such disputes, the lack of uniform standards, the problem is often difficult to make fair and satisfactorily resolved.

国家测绘局国土测绘司高级工程师、科技与质量监督处处长叶银虎介绍，近几年来，随着城镇住房制度的改革和房地产业的快速发展，消费者在购买商品房时，因面积引起的纠纷越来越多，而且这种纠纷在解决时由于缺乏统一的标准，使得问题往往很难公正、圆满解决。

Nothing is more difficult for a breeder or dog owner to hear than that her dog has a nerve problem.

对于繁育者与犬主而言，再没有什么比承认自己的犬有神经问题而更困难的了。

But at present the forests that can be cut down are fewer, so that the forestry industries are very difficult, and the situation has been very hard for the economic activities for the people there and the sustainable development of the city. Under such background, this paper does research on the problem of the sustainable development in the forestry resource-based city, find the relationship between the cut of the forest and economic development, and the problems in the economic develop process and the reasons of the declining. Then I construct the dynamic model of the sustainable development in economic in Yichun, in order to find the reciprocities among the population, resource and economics to provide more scientific data to the deciders. From the model, we can get the sustainable mode in the forestry resource-based cities.

本文就是在这种背景下，研究林业资源型城市的经济可持续发展问题，探讨林业资源开发与经济可持续发展的耦合关系，以及林业资源型城市经济发展存在的问题及经济衰退原因，并通过建立伊春市发展的系统动力学模型，进而揭示出城市发展过程中，人口、资源、经济之间的相互作用关系，为决策者做出正确的决策提供更加科学准确的技术支持，试图找出林业资源型城市可持续发展的系统优化模式，同时，把系统动力学方法引入林业资源型城市经济可持续发展研究领域，为解决相关问题探索一种新的方法与思路。

For example, to work to make with this type of ink, which contained flexbible because of the existence of silicone are often prone to overprint and cracking phenomenon, but not to join the silicone resin, and will bring about Ink viscosity and bubbles too many questions, which is very difficult to achieve a balanced each other there is always a certain amount of contradiction, and it has always been in the film class printer materials on flexo business card printing and membership card when faced with a great problem.

比如用这种油不朱打底后，在其上叠印刚印油不朱时，由于硅树脂的活命，不常便当爆发叠印不良和龟裂本体，但若不参加硅树脂，又会带来油不朱黏量不敷和气泡太多的题目，这两方面很难到达平衡，彼此之间老是活命必定的和解，而且这也不断是在薄膜类承印质料上举行刚性版制卡和会员卡制作时所回避的一不小困难。

An Internet professional expresses, the concept of Zhang guest net is very good, but it is very difficult to if rely on function of a charge to an account to want to let fire of Zhang guest net only,rise, the website of this kind of type needs to search breach, to the market pattern of fixed position, trade has detailed program, undertake aggrandizement on the technology at the same time, solve the problem with website stable operation, only such, settle or live in a strange place of rich of true positive-appearing image of ability of Zhang guest net is same, become the community on the net that the netizen cannot not ramble.

一位互联网专业人员表示，账客网的概念很好，但假如只靠一个记账功能就想让账客网火起来很难，这种类型的网站需要寻找突破口，对市场定位、商业模式进行具体规划，同时在技术上进行强化，解决网站运营稳定的问题，只有这样，账客网才能真正像博客一样，成为网民不可不逛的网上社区。【以下内容为IT者网站提供英文翻译，未经授权请勿转载

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。