查询词典 origin

The abscissa at the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system,the arc being of length x and measured counter clockwise from the point(1,0)if x is positive or clockwise if x is negative.

余弦以笛卡儿坐标系原点为圆心的单位圆的圆弦端点的横坐标，弧的长度为x，如果x为正，弧的长度则从(1，0)点按逆时针方向算起，若x为负，则按顺时针方向从(1，0)点算起

For a long time, I am interested in archaeological information of human's origin.

一直以来，我对人类之初的考古信息特别关注。

Thus, Archaeopteryx plays an important role not only in the study of the origin of birds but in the study of dinosaurs.

因此，始祖鸟不仅在鸟类起源，而且在恐龙的研究上，都扮演着一个重要的角色。

When Archaeopteryx turned up …, the origin of birds became

这是一个复合句，when引导的是时间状语从句。

The vocabulary of the mid-ancient history book consist of culture lexicon, archaism and neologism which cones from different origin, the paper analyses their feature and summarizes the characteristic of the mid-ancient history book.

论文还从词汇构成入手，对中古史书词汇中的文化词汇、古语词和新词的来源及特点进行了分析，并在此基础上总结出中古史书词汇的特点。

The origin of life is still a poorly understood process, but it is thought to have occurred about 3.9 to 3.5 billion years ago during the hadean or archean eons on a primordial earth that had a substantially different environment than is found at present.

对于生命起源，我们仍知之甚少，但是据猜测生命起源于距今35亿年到39亿年前，原始地球的冥古代或太古代，当时地球上的环境跟现在大不相同。

The major results about magnetic petrology of high-grade terrenes of Archean shield areas in the world are reviewed in this article,focusing on the relationship between rock magnetism and deformation, and metamorphism and intensity of magnetization of continental lower crust and its origin.

综述国际上有关太古宙高级地体磁性岩石学研究的主要成果，侧重高级地体岩石磁性与变形、变质等级的相互关系及大陆下地壳磁化强度及其成因机制等；提出了有关高级地体岩石磁性研究中值得注意的几个问题。

The archeological discoveries of writing systems provide no clue to the origin of language.

考古发现的书写系统没有提供线索的起源语言。

Using the data and theory of archaeology, history, chorograhy, pedigree, folklore , ethnography , sociology, philology, literature and architectonics etc., combined with the data of fieldsurvey , the author carry out a comprehensive research on the origin of hakka from a multi-perspectives and provide a new opinion on this problem.

本文应用考古学、历史学、谱牒学、民族学、民俗学、社会学、语言学、文学和建筑学等多种学科与社会调查相结合，对客家的源流进行多角度、多层次地综合研究，提出了客家民系的形成是以中原南迁汉族为主体，同时吸收本地少数民族血统与文化的"融合"说。

In the aspect of lexical features, they refer to formal words, archaic words and phrases, words of foreign origin, special use of common words and use of professional terms and argot.

在词汇特征中，主要涉及了正式用语、古老词语和外来词语的用法，还有普通词的特殊用法以及专业术语。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切