查询词典 twenty-first

The company is located in Shanghai Chemical Industrial Zone in southern, mainly the production of boiler pipe attachment and accessory products - pile tip has passed ISO9001: 2000 quality system certification, more than twenty years for the production of boiler plant attachment, economizer, superheater, reheater, air preheater, such as supporting the entire Product.

公司座落于上海南部化学工业区，主要生产锅炉附件及管桩的配套产品--桩尖，已通过ISO9001：2000质量体系认证，多年来为二十多家电厂生产锅炉附件、省煤器、过热器、再热器、空气预热器等全配套产品。

This principle is confirmed by the fact that during nineteen centuries of Church life only twenty Ecumenical councils took place.

这项原则是证实了这一事实在19世纪的教会生命只有20合一议会发生。

After twenty years of economic development,"shared poverty" the situation has completely disappeared, China has freed itself from the past egalitarianism, but in the process of economic development gap between the rich and the poor can not be ignored.

经过二十年的经济发展，"共同贫困"的状况已完全消失，中国已经摆脱了过去的平均主义，但在经济发展过程中贫富差距，穷人也不容忽视。

Methods: One hundred and twenty guinea pigs were randomly divided into control group and allergic group (nasal challenge with egg albumin).

120只豚鼠随机分为正常对照组和致敏组，致敏组注射卵清蛋白制备变应性鼻炎豚鼠模型，正常对照组注射生理盐水替代卵清蛋白。

All subjects agreed that nowadays students were more egocentrism, more active, less conformable, and less trust than their counterpartner of ten or twenty years ago.

受访导师多数认为国民中学教育的问题和社会变迁、家庭环境有密切关系；部份导师也认为学校和教师的责任也不可轻忽。

When I got married, I was eighteen, and my husband was twenty.

我结婚的时候是十八岁，我的丈夫二十岁。

My company is producing all kinds of wear-resistant electrode professional manufacturers have been more than twenty years of production experience.

我公司是生产各种耐磨焊条的专业厂家，已有二十余年的生产经验。

Duke Ellington moved to New York City in nineteen twenty-three.

Duke Ellington 在1923年来到了新约克市。

On today's cruise ships, you have to have a lifeboat drill within twenty-four hours of embarkation.

在现在的游轮上，你上船二十四小时以内就会接受救生艇训练。

Many years ago, I felt that the mind was probably responsible for fifty per cent of the playing of the trumpet, and the other fifty per cent was divided equally into twenty five per cent for the embouchure.

许多年以前，在我心里我所关注的是有50%都在不加思索的练号，其余有25%在嘴型上，还有25%在气息上。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。