Solving the Expression Problem makes it possible to extend preexisting types to new methods and extend preexisting methods to new types, all without recompiling existing code.
解决表达式问题使将先前存在的类型扩展到新方法成为可能，所有这些都不重新编译现有代码。
While it's always a good thing to use existing code and projects when they do match what you're doing, don't be afraid to conclude that the problem you're solving really is a new problem.
在现有代码和项目与您要做的事相符合时使用它们是一件好事，不要因为您要解决的问题实际上是一个新问题而感到害怕。
The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.
原子能的释放并没有造成一个新问题，它只是使解决一个当前问题的必要性更加迫切。
The oxidizing process of cast iron was analysed. The using condition, existing problem and solving method of weight-increase method were discussed.
分析了铸铁氧化过程特点；讨论了应用增重法研究铸铁抗氧化性能的适应条件、存在问题及解决方法。
The existing problem in new products development is discussed at Nangang and the ways of solving a problem are put forward.
论述了南钢公司新产品开发中存在的问题，提出了解决问题的方法。
The text introduces the current situation and existing problem of the coal gas A. s desulphurization craft. According to existing problem find the way of solving the problem methods.
简要介绍煤气a.s法脱硫工艺的现状与存在的问题，根据A.S法存在的问题提出解决问题的方法。
The paper expatiated the character of drainage area water in China and the situation of pollution, the malpractice of existing fathering system and the method for solving the problem.
本文阐述了中国流域水的特点和污染的现状，现存治污制度的弊病以及解决的方法。
Manage the process audits of existing Bought-Out parts where the parts are the subject of a problem solving action.
当已存在的外购件件出现问题时，组织对其进行过程审核，管理供应商的改善行动。
The emphasis of this part is "the problem existing in Chinese practice of community-correction". Because finding out the problems is the premise of solving them.
该部分将重点落在了最后对“我国社区矫正实践中存在的问题”的阐述上，因为发现问题是解决问题的前提。
Defined their existing problem, put forward the corresponding countermeasure in solving these problems at the same time.
明确它们存在的问题，同时对解决这些问题提出了相应的对策。
The utility model relates to a combined front wing for a light-duty truck, solving the problem that existing front wing for a light-duty truck is poor in effect to eliminate the noise of the engine.
本实用新型涉及一种轻型卡车复合前翼板，解决了现有轻型载货汽车 前翼板消除发动机噪声效果很差的问题。
Through the analysis to subject problem existing in the course of university students' innovative undertaking, propose solving the countermeasure of the problem.
通过对大学生创业过程中存在的主要问题的分析，提出解决问题的对策。
The purification device aims at solving the problem that the existing purification device can not effectively degrade the formaldehyde.
本发明的目的是为了解决现有净化装置存在的无法有效降解甲醛问题。
Abstract: : This paper represented the problems existing in the management of the computer database, and through the analysis to achieve the purpose of solving the problem.
摘要：本文主要通过对计算机数据库的管理中存在的理由加以表述，并通过分析解决这些理由发生的根据以达到解决理由的目的。
The fifth chapter, the author considers the localization of this assessment from the existing problem and solving ways etc.
最后是结论部分，总结本文写作的主要内容，仍旧存在的问题以及考虑到的但没有涉及到的问题等。
In this paper, take Xujiahe river reservoir as an example, analyzes the region of the status quo and existing problems, puts forward the problem-solving ideas and methods.
本文以许家河水库为例，对全区水库现状及存在问题进行剖析，有针对性地提出了解决问题的思路和方法。
Then following the existing path-following method for solving BMI problem, an iterative LMI algorithm is proposed to locally search the desired output-feedback gain.
进一步，在问题有解时，通过极小化增益矩阵元素绝对值的和，给出了求解期望低成本输出反馈控制的算法。
The utility model provides a reboiler with longer service life, aiming at solving the problem that the shell and tube heat exchanger in the existing reboiler often has short service life.
本实用新型提供了一种使用寿命较长的再沸器，以解决现有再沸器中列管式换热器使用寿命短的问题。
The design and application of simulated training system becomes an useful means for solving difficult problem existing in training with high technology weapon.
开发和应用模拟训练系统是当前应对高技术武器装备训练难题的一个重要手段。
The design and application of simulated training system becomes an useful means for solving difficult problem existing in training with high technology weapon.
开发和应用模拟训练系统是当前应对高技术武器装备训练难题的一个重要手段。
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