查询词典 problems

Proper fraction problems were more difficult than unit fraction problems.

在简单分数概念表现上，真分数问题比单位分数问题困难些。

As a younger teacher working at the teaching, the author sees the change of the computer course and the information technology course. The author can understand deeply the important reformation in the information technology teaching in China. But what we can't deny is most subjective or objective problems exist. And the existence of these problems has become the holdback of realizing the information education propitiously.

笔者作为一名工作在教学第一线的青年教师，经历了由"计算机"课程向"信息技术"课程的转变，能深刻体会到我国信息技术教育中发生的重大变革，但不能否认的是，在我国的信息技术基础教育中，还存在一些主观的或客观的问题，这些问题的存在，为我国顺利实现教育信息化造成了一定的障碍。

An effective solution of the resources planning and charges a series of difficult problems, such as public utilities management problems.

有效的解决了资源的规划和收费难等一系列困扰公共事业管理部门的难题。

Using martingale method, we deal with option pricing problems on foreign currency, and obtain price expression of European call and put option under stochastic interest rate and their parity. We also consider hedging problems of options.

在随机利率情况下，利用鞅方法讨论了外汇欧式期权的定价问题，得到了欧式看涨期权和看跌期权价格的解析表达式及其评价关系，并考虑了期权的套期保值问题。

It also states that students "should know how to use quadratic functions to solve extremum problems in everyday life". It seems to me that befe all these, students should be properly taught the technique of completing the square (which underlies the solution of extremum problems of any kind) and the quadratic formula (which would then give *exact* solutions of quadratic equations).

我认为，在学习这些之前，应该适当地教给学生配平方的技巧（它是解决任何最值问题的基础），以及二次求根公式（它能给出二次方程的精确解）。

The solvability of quadratic matrix inequalities of singular H∞ control problems with infinite zeros is studied in this paper. It is proved that the quadratic matrix inequality can be solved directly via the generalized eigenvalue problems. The previous method of solving the quadratic matrix inequality involving complicated decompositions and transformations of the systems is avoided.

摘要研究具有无穷远零点的奇异H∞控制问题的二次矩阵不等式的可解性，证明了通过求解广义特征值问题，可以直接求得二次矩阵不等式的解，从而简化了原需通过复杂的系统分解和变换来求解二次矩阵不等式的方法。

Therefore, this paper on the current situation of state-owned banks queuing problem for reflection, analysis of the reasons for the outstanding issues for a long time, and from foreign banks to resolve similar problems, propose solutions to the problems the solution.

因此，本文结合当前形势对国有银行排队问题进行思考，分析问题长期以来悬而未决的原因，并借鉴外国银行解决类似问题的方法，提出解决问题的良策。

Figures such as these have the influence they do, not because they develop new methods for solving the old philosophical problems, but because they enable us to look quizzically at those problems, and perhaps even to laugh out loud at them.

分辨这些人对其影响，并非是他们提出了新的解决旧的哲学困境的方法，而是他们能使我们去看这些困境的恶愚之处，甚至对这些困境报予嘲笑。

And then some problems existing in present groundwater dating are discussed. Finally, the trend of study of groundwater radioisotope dating methods and the urgent problems which should be strengthened are pointed out.

并讨论了目前地下水测年方法中存在的一些问题，指出地下水放射性同位素测年方法研究的发展趋势和亟待加强研究的关键问题。

In the algorithm,the theory of particle system changing from non-equilibrium to equilibrium is used to define the Rank function and Niche function for solving multi-objective problems,all the individuals in the population have chance to participate the evolving operation to solve the Pareto optimal solutions of the multi-objective problems fast and evenly.

由于该算法使用了粒子系统从非平衡达到平衡的理论来定义求解多目标问题的Rank函数和Niche适应值函数，使得种群中的所有个体都有机会参与演化操作，以达到快速、均匀地求出多目标优化问题的Pareto最优解。

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。