查询词典 a trace

The author questions the essentialist concept of literary genre and emphasizes the need to trace back the specific historical and cultural factors that influence the formation, authority, consolidation and disintegration of literary genres and to find their real foundation in history and culture.

作者对于文学类型本体论的观点提出了质疑，强调文学类型的形成、权威性以及巩固和瓦解均须追溯具体的历史文化原因，在历史文化之中发现真正的依据。

In this study, a rapid method for the determination of trace estrogens (ethinyl estradiol, estradiol, estriol, and estrone) in cosmetic water by LPME coupled with high performance liquid chromatography was developed.

建立了液相微萃取-高效液相色谱联用测定爽肤水中痕量的雌三醇，雌二醇，炔雌醇和雌酮的分析方法，研究了萃取溶剂种类，接受相体积，搅拌速度，萃取时间等对萃取效率的影响。

The trace gas concentration was measured by the above method, for example,1～70 parts per million by volume of hydrogen, or acetylene or ethene, or 50～550 parts per million of carbon monoxide.

计算结果表明，单一网络的泛化能力较强，但识别准确度在某些值处达不到实用的要求。

Although we know neither where the lemon was first grownnor when it first came to Europe,we do know from its name alone that it came to us from the Middle East,because we can trace its etymological path.

虽然我们既不知道柠檬是在哪儿被最早种植的，也不知道它是什么时候传到欧洲的，但是我们却能单从它的名字确切地判断出它是从中东地区传到我们的，因为我们可以追溯出它的语源的发展道路。

Although we know neither where the lemon was first grown nor when it first came to Europe, we do know from its name alone that it came to us from the Middle East, because we can trace its etymological path.

虽然我们既不知道柠檬是在哪儿被最早种植的，也不知道它是什么时候传到欧洲的，但是我们却能单从它的名字确切地判断出它是从中东地区传到我们的，因为我们可以追溯出它的语源的发展道路。

An etymologist can trace the origin and development of a word, but who can identify the moment when absolutely took off?

一名词源学家可以追踪一个词的源头和发展；但是谁能发现"肯定"什么时候流行的呢？

To trace and state the etymology of.

多个记录的一种储存方法。

The problem of discontinuousness of Euler angle when tooling along circle trace is solved in this paper.

在刀具加工圆轨迹的情况时，会出现欧拉角不连续的现象，文中对此提出解决方法。

The young stems and leaves of Eupatorium lindleyanum DC had the highest content of trace elements, indicating that it had high search and development value.

结论］野马追的幼嫩茎叶中微量元素的含量最高，表明野马追的幼嫩茎叶具有较高的研究和开发价值。

The systems have been used for the determination of trace amounts of europium in rare earth samples with satisfactory results.

上述研究工作对于稀土元素分析，生物和药物分析都具有潜在的应用价值。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"