查询词典 problems

Although cold dark matter has its own problems in explaining cosmic structures [see "The Life Cycle of Galaxies" by Guinevere Kauffmann and Frank van den Bosch; Scientific American, June 2002], most cosmologists consider these problems minor compared with the difficulties faced by alternative hypotheses.

虽然冷暗物质在解释宇宙结构上也有它自身的问题（见《科学人》2002年8月号〈星系传奇〉），但大多数宇宙学家认为，较诸其他假说所面对的困难，这些问题可说是次要的。

For special vector optimization problems, namely abstract optimization problems, a generalized multiplier rule of Lagrange is given.

对特殊的向量最优化问题，即抽象最优化问题，给出了一个一般的拉格朗日乘子法则。

The status of mobile communication in coal mine underground is introduced, the difficult technical problems including laneway infection for wireless transmission and weak signal reception and noise interference are analyzed, and ways to solve these problems are proposed.

介绍了我国煤矿井下移动通信现状，分析了技术上的难题-巷道对无线传输的影响、弱信号接收和井下环境噪声干扰，提出了解决途径。

At present, Chinas internal accounting supervision have a series of accounting problems, such as distortion of accounting information, internal management laxation and ineffective oversight, the main causes of these problems are the current corporate accounting system and related laws imqmature, imperfect and so on.

目前我国企业内部会计监督存在着会计信息失真，内部管理松弛，会计监督不力等一系列的问题。

And, more generally, he is less likely to view life—as many Americans do—as a series of situations in which one has to learn to think by oneself, to solve problems on one's own, and even to discover new problems for which creative solutions are wanted.

更广义地说，他就不太会像许多美国人那样，把生活看作是一系列的境遇，在这些境遇中，一个人必须学会独立思考，独立解决问题，甚至于去发现新问题，并且用新的办法去解决这些问题。

At this point, it can be concluded is a USB printer line problems caused by quality problems.

至此，可以断定是打印机USB线的质量问题造成的问题。

This prject provides the linear and nonlinear optimization problems and several combinatorial problems with several new powerful tools.

本研究为线性及非线性优化问题和多种组合优化问题提供了多种新的有力求解工具。

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 process of research is that of locating problems, solving problems, and keep doing so.

理论研究的过程，是一个发现问题、解决问题的反复循环不止的过程。

Digital signature ; proxy digital signature ; discrete logarithmic problems ; elliptic curve discrete logarithmic problems ; elliptic curve digital signature algorithm

数字签名；代理数字签名；离散对数；椭圆曲线离散对数；椭圆曲线数字签名

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。