不实用的

When I learnt that I will need a changing bag after the baby is born, I was looking all over the place trying to find a cute and practical bag that will not only fullfill my cute mummy dream and also be able to fit everything in.

我想要一个即能满足我可爱妈咪梦想的而且又实用的背包。可是我看的很多妈咪包不是很贵就是不实用或一点不好看。

It's obviously that it's not practical if you use such broken and wrinkled plane mapping. So we must adopt special methods to spread the curved surface, which is called map projection theory.

若用这种具有破裂或褶皱的平面绘制地图，显然是不实用的，所以必须采用特殊的方法将曲面展开，使其成为没有破裂或褶皱的平面，于是就出现了地图投影理论。

In order to construct a new "functional" building on a site where a "nonfunctional" building exists, you first have to raze the old structure.

为了在一个现存的"不实用"建筑物上构建一个新的"实用"的建筑物，你首先要把旧的建筑物夷为平地。

This process is however not practical as the separation of the fine powdery Si from the ZnCl2 appears to be problematic.

但是该工艺是不实用的，因为从ZnCl2中分离细粉末状的Si看来是有问题的。

For practical results that would not have been reached if this knowledge had not been sought disinterestedly,本句中的it代表上句提到的pure knowledge.

作者说纯粹的知识是实用结果的基础，而如果不是科学家们不带任何私利的寻求，也无法产生这些实用结果。

That's why I never watch adverts they brainwash you into buying things you don't need or want!

这就是为什么我从来不看广告，他们会洗你的脑让你买些不实用的或是需要的东西！

On the basis of practicality (including everyday using and using for ceremony), the ancient- painted-pottery of Majiayao culture has gradually been superinduced upon the adjunctive decoration and decorative patterns, constantly reshaping the form in order to beautify itself, which skillfully combined practicality and aesthetic utility.

马家窑彩陶在不影响实用的基础上，逐步增添审美的附饰和纹饰，不断对造型稍加变形，以趋于美观，是实用与审美的巧妙结合。

The structure of the utility model is that the brush holder(1) is connected with the metal connector(3)on which the stainless brush bristl(4) is moulded .The utility model has the advantages of corrosion-resistance, rust-resistance, unhairing-resistance, no loosing,long service life, clean, beautiful appearance, economy and practicability.

实用新型的结构是炭刷架(1)用(3)连接不锈的刷子bristl的金属连接器(4)被铸造实用新型有腐蚀抵抗、铁锈抵抗， unhairing抵抗，没有疏松，长的产品使用期限，干净，美好的出现、经济和可实行性的好处。

To conquer limitations of existing techniques for developing loop invariants, professor Xue Jinyun, who is imbursed under two National Nature Science Foundation of China, systematically research the theory and method of loop invariants and advanced the new definition and developing strategies for loop invariants. Based on above, he presented efficiency method of developing algorithmic program, Partition-and-Recur Approach, and its developing environment which bring into important play in formal method.

为了克服已有循环不变式开发技术存在的局限性，薛锦云教授在两个国家自然科学基金课题&若干新的算法程序设计和证明方法研究&和&实用的软件形式化方法及其开发工具的研究&的资助下，对循环不变式的理论和方法进行了系统的研究，提出了关于循环不变式的新定义和新的开发策略，并在此基础上形成了一种实用的算法程序形式化开发方法及其开发环境，在复杂算法程序及软件形式化开发中发挥了重要作用。

An ill-applied European Union directive, say trade unionists, has destabilised the national employment agreement that has governed the engineering construction industry in Britain since Margaret Thatcher's time as prime minister.

工团主义者说，欧盟颁布的一项不实用的指令，破坏了自撒切尔夫人就任首相以来英国机器制造业的国民劳动协议。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。