查询词典 terra cotta

Today Petro-Canada is Canada's 11th largest company with important interests in such projects as Hibernia, Terra Nova, and White Rose; its gas stations remain a presence in most Canadian cities.

加拿大国营石油公司自1970年开始用二段加氢技术生产基础油并用於各类润滑油得调合，使其润滑油品性能迫近全合成油品得品质。

Among the four conditions, the sequence of average density from big to small are grassplot, farm terra, meadow and hungriness in turns.

2007年6-9月，在新疆天山北麓的石河子南部低山草地、中部农耕地、中部草甸及北部沙漠边缘荒漠4类生境中共采集到蝗虫4科14属18种，共317头。

Terra has been manipulated into extreme darkness against other creations manipulated into extreme lightness, and yet others that are in the medium light to medium dark range of polarity as well.

Terra 已被操控进入到最极度的黑暗当中，好让其它造物被操控进入最极度光明，而另外一些造物进入中等光明到中等黑暗的极性范围。

It was like running in terra incognita.

就好像是在一片处女地上长跑。

I must avoid my pre-existing knowledge and constructs, and enter my personal terra incognita.

我不得不绕开原有的知识与观念，进入自我的未知领域。

As late as the end of the second century B.C., India was terra incognita to the Chinese.

直到公元二世纪末，中国人还不知道印度的存在。

The only way to explore this terra incognita is to build many examples and see if they fit in the space.

探索这个未知领域的唯一方法是建立众多实例，然后看看它们是否适合于这个空间。

For Apple, the eastern half of Europe is still both terra incognita and non desiderata.

对苹果公司来说，欧洲的东半部仍然是未发现的领域，并且也不是它迫切要得到的市场。

Less than two centuries ago, new nations could still be staked out on terra incognita.

迄今不到200百年以前，新的国家还只能在无人认领的处女地建立。

They are valuable data for studying Yuan Hao-wen and the creation, spreading and influence of his works. They are not short of opinions that have not be expressed before, so they are of great academic value as terra incognita in Yuan Hao-wen studies.

它们是研究元氏及其作品的创作、流播和影响的宝贵资料，其中不乏发前人之所未见的观点，是元好问研究领域中尚待开垦的荒地，有重要的学术价值。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。