There are twelve different agencies that deal with exports.
涉及出口的有12个机构。
There are twelve different types of Vitamins that have been officially recognized for being essential for good health, and that need to be incorporated into the diet.
科学家已经发现了十二类维持机体健康必不可少的维生素，这些维生素需要在饮食中摄取。
Juanita Stuart: "I take twelve different medications per day."
朱尼塔：“我一天得吃12种药。”
In fact, if you look at the current top-10 rankings for both men and women, the players hail from twelve different countries.
事实上，如果你看一下目前世界排名前10位男女选手，你将发现这些选手来自12个不同的国家。
All seats on the ground floor are equipped with earphones through which you can hear a simultaneous translation of a speech in any one of twelve different languages.
池座的所有座位都装有耳机。通过耳机你可以听到讲话的同声传译。有十二种语言可供选择。
Time of flight diffraction (TOFD) was summarized as a new nondestructive testing method. The present seven main TOFD standards in the world were evaluated and compared in twelve different portions.
概述了超声波衍射时差法(TOFD)，对目前世界上主要的七个TOFD检测标准或规范进行了分析和比较，归纳了其中十二个方面的异同点。
Time of flight diffraction (TOFD) was summarized as a new nondestructive testing method. The present seven main TOFD standards in the world were evaluated and compared in twelve different portions.
概述了超声波衍射时差法(TOFD)，对目前世界上主要的七个TOFD检测标准或规范进行了分析和比较，归纳了其中十二个方面的异同点。
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