查询词典 rare

"Rare in nature, olefins are obtained by the cracking of petroleum fractions at high temperatures. The simplest ones (ethylene, propylene, butylene, butadiene, and isoprene) are the basis of the petrochemicals industry."

烯烃在自然界很稀少，但在石油裂解成汽油过程中可大量生成，低级的单烯烃已成为庞大的石油化学工业的基础。

More properly, the name for the belched-up blob of vomit is "ambergris." It is rare and highly valued by perfume makers. The 7kg lump could fetch more than A$100,000 (NT$2.8 million).

更精确地说，这一团呕吐物名为「龙涎香」；对香水公司来说，这是相当稀有珍贵的，这团七公斤重的龙涎香可以卖超过十万元澳币。

Ore of cadmium; a rare yellowish mineral consisting of cadmium sulphide in crystalline form.

镉矿石；一种稀有的微黄色矿物，由硫化镉构成，呈晶体状。

Calcite Mine in particular are currently rare mineral quality.

特别是方解石矿是目前国内少有的优质矿产。

The paper studies decomposing ratio of roast of Baotou rare earth concentrate added by calcium oxide in different conditions.

本文研究了包头稀土精矿不同状态下的分解率，通过对比发现在助熔剂(Na Cl+Na2 SO4)和氧化钙存在的情况下，包头稀土精矿可以得到有效的分解，采用正交试验得到分解包头稀土精矿合理的工艺条件。

Then it discusses the method and problems of designing the Rare-Earth Permanent Magnet Brushless DC motors, and briefly introduces the principles of Finite Element Method for calculating the electromagnetic field as well as how to use the ANSYS software in checking the electromagnetic values.

然后论述了稀土永磁无刷直流电机设计的方法和需要考虑的问题，并对电磁场计算有限元方法的原理作了简要介绍，以及如何用ANSYS软件对电机进行电磁场数值校核。

Along with the paintings and calligraphic works are five sets of rare books.

随着油画和书法作品，是5套珍贵书籍。

Baiyangdian waters crops and resources, the growth of the lotus root, caltrop, Gorgon Fruit, arrowhead and other 30 kinds of rare wild aquatic plants.

白洋淀内水生作物资源充足，生长着莲藕、菱角、芡实、慈姑等30多种珍贵野生水生作物。

The effect of rare earth La on microstructure and properties of the chilled iron camshaft was studied.

研究了稀土La对凸轮轴组织性能的影响。

Tomb of the baby have been described as:"Treasures from the brilliant","Jin Cancan" and "silver flash","Jade is the most","jasper treasure","Xi Shi treasure","Han-yu of valuable goods must "There are many" rare "and" first "and" only "and" unique "and" full-fledged "and" irreplaceable "and other top rating.

墓中的宝贝被形容为："珍宝灿烂"，"金灿灿"，"银闪闪"，"玉器之最"，"碧玉之宝"，"稀世之宝"，"汉玉中价值连城的绝品"，还有许多"罕见"、"首次"、"惟一"、"独一无二"、"精美绝伦"、"无法替代"等顶级评价。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。