还证明了很多有限次代数数域不与上述的超积初等等价。
Also, it is proved that many algebraic number fields of finite degree are not elementarily equivalent to the above-mentioned ultraproducts.
超半数的英国人把书放在书架上积灰，16%的人会把书捐给慈善商店，15%的人在看完书后会把书送给朋友。
And over half of Brits leave books to gather dust on their shelves, 16 percent would take them to a charity shop and 15 pass finished books on to a friend when they have finished them.
本部分主要介绍表面皱皮（积碳）、呛火、气孔、尺寸超差及变形等缺陷的产生原因和防止方法。
The reason and prevention of four kinds defects including surface wrinkled skin (carbon built-up), chock, blow hole, deformation, was introduced in this part of the article.
本文对类星体的各种厚吸积盘模型，紫外超现象的吸积盘模型及自引力吸积盘模型作了简扼评述。
The different kinds of think accretion disk models, the accretion disk model for ultraviolet excess and the self-gravitating accretion disk model in QSOs axe briefly reviewed.
本文对类星体的各种厚吸积盘模型，紫外超现象的吸积盘模型及自引力吸积盘模型作了简扼评述。
The different kinds of think accretion disk models, the accretion disk model for ultraviolet excess and the self-gravitating accretion disk model in QSOs axe briefly reviewed.
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