难解决的

These problems are resolved hardly through thenormal linear model. In order to solve these intricate problems, several kind of wavelet neuralnetwork has been brought forward.

常规的线性模型很难解决这些问题，因此，为解决水文水资源中的复杂问题，本文提出了几种小波神经网络模型。

The most dangerous is human may be infected by porcine virus, and the most difficult is immunological barrier.

其中最危险的是可能的猪到人人兽共患疾病的传播，而最难解决的是异种移植的排斥反应。

Compere: Thank you to accept the special report of sina, we know to be among record company and the relation that search engine, copyright often is most scabrous problem, but we see Gu Ge combines gigantic whale to include company of 4 old record today inside company of many 100 record signed a contract, this may be other company impracticable, so look in you, gu Ge is to have what recipe, what where perhaps is done is better than others?

主持人：感谢您接受新浪的专访，我们知道在唱片公司和搜索引擎的关系当中，版权往往是最难解决的问题，但是今天我们看到谷歌联合巨鲸包括四大唱片公司在内的100多家唱片公司都签了合同，这可能是其他的公司做不到的，那么在您看来，谷歌是有哪些秘诀，或者是有什么地方做的比别人好？

Computing the trajectory of a spacecraft requires the accurate numerical solution of a system of ordinary differential equations .

的总体目标数值分析领域中的设计与分析技术，以提供准确的近似，但很难解决的问题，不同的是所提出以下。

The poet had mentioned our most difficult problems: everyone is eager to truth, but we had made a lot of dispute and disaster under the banner of truth.

诗人说到了我们人类最难解决的问题：人人都渴望真理，但我们打着真理的旗号进行的纷争和造成的灾难却是最多的！

An apparantly insolvable problem; public finance...had long presented problems unsolvable or at least unsolved- C.L.

显然难解的问题；人民财政…出现的问题长期以来都不能解决或至少未解决。

This marticle reflects the state of affairs concerning magnaement and competition in the highway transnsportation market after it has been invigorated, The article, using Plenty of research data, demonstrates the Positive role that a multilevel, multichannel and economially multiformed system Played in Promoting Circulation and Smoothing away the difficulties in the movement of freight and Passengers from one location to another, It also introduces the effective measures taken by State-run enterprises to fa...

本文反映公路运输市场搞活后，在经营竞争方面的情况。文章运用较多的调查数据，说明了公路运输多层次、多渠道、多种经济形式的体制对搞活流通，解决行路难、运货难所起的积极作用。文章介绍了国营运输业在竞争面前采取的有效对策，也提出了当前运输市场在竞争中存在的问题，以及产生这些问题的原因，针对在价格、税收、能源等方面的不等同竞争，作者从宏观的角度提出了一套解决的办法，即利用经济杠杆，保护合理竞争又杜绝运输市场一些不正之风，从而提高社会经济效益。

Even making a mouse hybridoma is tricky: B cells from the spleen of an immunized mouse, which normally died out in culture dishes, must be fused with cancerous white blood cells called myelomas.

制造小鼠的杂交瘤还有一个很难解决的问题：从免疫过的细胞脾脏中取到的B细胞，它在培养器皿中会逐渐死亡，如果一种叫骨髓瘤的白血细胞就保险得多。

Engineering practice shows that it is an objective problem of upward moving of tunnel segments in the construction process, especially in the large-diameter shield tunnel, which is difficult to solve.

盾构隧道施工过程中衬砌管片上浮问题是客观存在的，且一直是较难解决的问题之一，而大直径盾构隧道的上浮问题表现的更为突出。

However, except the aerial motion there are more support motion concerned, which is always involved in the impact problem and is more difficult to be simulated.

然而，在体育运动中，人体不仅有空中动作，更多的则是人体于有支撑状态下的运动，特别还涉及人体于&无根&状态急剧变换为&有根&状态的运动过程——即所谓的冲击问题，这是一个颇难解决的实际问题。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷