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RS: Imola is going to be coldish temperatures again and so it is going to be difficult to judge for the moment with the problems we have.

拉尔夫-舒马赫：伊莫拉的温度再次有些冷，因此我们此刻拥有的问题让我们很难作判断。

I wish to enter a foreign corporation like Colgate. Everyone knows that the difficult to become a member of it, needing thousands of times to test us.

外企我也进的，但是难度太大了，不知道机会有多少，不过还是需要试一试的。

Objective It is very difficult to discover and handle the collinearity in multiple regression.We try to find a way to deal with it in the case-control study of risk factors in lung cancer.

目的 结合肺癌危险因素研究中变量的筛选过程，探讨在涉及较多自变量的大型多元回归分析中，变量间多重共线性的诊断和处理方法。

At present, the workers of the eighth oil plant use production logging method to determine single-layer's output and water cut of commingle producing well which produce Putaohua and Fuyu reservoir at the same time. This method takes a long period and high costs. And it's also difficult to determine single-layer's water cut. Aims at this problem, this present writer provides gas phase chromatogram fingerprint methods to determine single-layer's output.

针对目前采油八厂地区葡萄花、扶余两套合采油层采用生产测井方法确定分层产量及含水时成本高、周期长以及分层含水难以确定的问题，本文提出了应用气相色谱指纹技术来确定分层产量的方法。

As to the enterprise local area networks in office, the complex line not only destroys beautiful design but also always leads to mistake between power line and data line which mangle the hardware. It is difficult to maintain the networks operation.

对于当前在办公室流行的企业局域网而言，由于需要根据办公环境的实际情况进行复杂的布线工作，这不仅破坏了办公室的美观，而且网络运行过程中的维护工作也是让人头痛的问题。

Although many results have been obtained, there are still a number of very interesting questions about composition operators unsolved. There is much more to be learned about the collective compactness and convergence of composition operator sequences, compactness of various product of composition operators, cyclicity, closed range and spectra of composition operators in various settings. Commutants of composition operators seem to be very difficult to characterize. Only a little is known about their reducing invariant subspaces. There has been no work on C〓 algebras generated by composition operators.

尽管已取得如此丰富的结果，但是关于复合算子仍然有大量非常有意义的问题值得研究，例如：复合算子序列的总体紧性及收敛性、复合算子的各种乘积的紧性、复合算子的闭值域问题、复合算子在各种解析函数空间上的谱的描述、换位复合算子的刻画、复合算子诱导的不变子空间问题、循环复合算子的研究、由复合算子生成的C〓-代数的研究、不同解析函数空间之间的加权复合算子及复合算子半群等等问题。

It is more difficult to work on stone than on paper due to stones having diverse veins and shapes of concavo convex and different qualities making it no easy thing to present as nature a character as that on paper.

奇石微书的创作比纸上更加难。

It is very difficult to exercise self- control, or to confine it to a certain limit.

自己很难控制，即很难控制在一定的范围之内。

It is extremely difficult to solve the problem of tunnel leak, because there are many muddiness, greasy dirts and slushes on the top of the tunnel, thereby it is hard to conglutinate the waterproof materials. Test results show that the impervious pressure and the splice strength of the acrylic acid waterproof material will be up to 1.2 MPa and 1.8 MPa in 30 min with new formula and unique construction craft 50 that reduce the difficulty of conglutination.

实验结果表明：使用新型丙烯酸防水材料配方和施工工艺，使丙烯酸防水材料的抗渗压和粘结强度在30 min里能够迅速分别达到1.2 MPa和1.8 MPa，从而降低粘结难度，很好地解决了既有隧道的顶部因有很多的淤泥、油污、水垢等杂物而使普通防水材料难以粘结的问题。

But why have you come back here to take us to Him, whose conjugal love is so difficult to give up?

但是，为什么你回来这里要把我们带去给祂，祂的夫妻之爱是很难放弃的？

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。