不存在的

Cooling pipe is special overlength seamless steel pipe, and normally there is no joint. The special technics avoid all the damages to water pipe.

冷却水管采用特制超长无缝钢管，一般情况下不存在接头，特殊的弯制工艺保证了水管不受任何伤害

However, semi-steel is made of 10 ~ 20% cementite and pearlitic matrix, there exists no pellet-shaped graphite, so sticking is easy to happen to it, which is not expected dunng rolling.

然而半钢材质是由10-20％渗碳体及珠光体基体所组成，其内不存在球状石墨，所以半钢材质容易产生粘钢现象，这是轧制过程所不希望的。

It is impossible to know today just what our Stone Age ancestors knew about plants, but from what we can preindustrial observe of preindustrial societies that still exist a detailed learning of plants and their properties must be extremely ancient.

我们今天不可能知道新石器时代的祖先们对植物到底了解多少，但我们在至今仍存在的前工业化社会观察到：多少，但我们在至今仍存在的前工业化社会观察到：人类对详细了解应该是非常古老的。

Under the conditions that the concrete expression of its singularities are not sloved,we discuss the bounded property of trajectories, separatrix configuration,nonexistence and existence of limit cycle.

对一类多分子反应模型x＝1－αx－xpyq，y＝βy（xpyq－1－1）进行定性分析，在第一象限奇点无法具体求出的条件下，讨论了轨线的有界性，分界线的位置关系以及极限环的存在性和不存在

Serdar Tatar, 23, a Turkish immigrant who lives in Philadelphia, had grown so religious over the last two years that his father, Muslim Tatar, said they had become estranged.

警方虽然在最后时刻挫败了这场阴谋，但该事件却引起不小争议。联邦检察官克里斯托弗·克里斯蒂称，这起案件与以往任何案件有所不同，他们不存在事实上的领袖。

There is no fate that cannot be surmounted by scorn.

不存在不通过蔑视而自我超越的命运。

It is uncertain whether carrier or unapparent infections exist.

目前尚不能确定是否承运人或不明显的感染存在。

And so has come into an inevitable trend that administrative power should be exercised in accordance with laws, thougn evil phenomena of unfairness, insolemnness, dishonestness and uncivilizedness still exist in plenty in enforcing laws in our country.

因之 ，行政权力运行法制化成了一种必然趋势，尽管我国在行政权力运行过程中，执法不公、不严、不廉、不文明的不良现象仍大量存在。

The problems existed in Chinese service trade are that the proportion of service industry is small in national economy, the total level of service trade low, the internal structure of service trade irrational, development unbalanced, market over-centralized, the management lagged, and the legislation unperfected.

我国服务贸易业发展存在的问题，主要体现在服务业在国民经济中的比重偏低，服务贸易整体水平差；服务贸易内部结构不合理，发展不平衡，市场过于集中；服务贸易管理滞后，服务贸易立法不健全等方面。

In either case, strength and power are an expression of being, not an affectation, not used as a tool to gain unrightfully an ascendancy over another.

在任一种情况下，力气和力量都是存在的表达，它们既不是装饰品，也不是用来对他人进行不正当统治的工具。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。