对太阳邻域内银河系盘星、特别是厚盘恒星年龄-金属度关系的研究进展作了较为详细的回顾和评述;说明目前对盘星是否确实存在年龄-金属度关系还存在争议,而厚盘恒星可能存在这种关系。
A historic progress on recent studies of whether there is a possible age-metallicity relation of stars in the Galactic disk, especially in the Galactic thick disk, is reviewed in some details.
人们可能喜欢纽约式的薄披萨,或者芝加哥深盘式的厚披萨。
People might like New York-style thin pizza, or Chicago deep-dish thick pizza.
车里装着海带、鱼尾板、钢材、枕木、盘钢、厚金属板、叠合材料、热轧钢箍、软木条和迫击炮车,以及佐泽斯矿石。
In the baggage cars, kelps, fishplate, rolled iron, sleepers, wire rods, plates and sheets, laminated articles, hot rolled hoops, splints and mortar carriages, and Zorès ore.
或者吃一块有很多蔬菜的薄皮披萨,而不是厚皮深盘披萨。
Or eat a thin crust pizza with lots of veggies instead of a deep dish pizza with a thick crust.
这些讨论表明,活动星系核的短时标光变特征对厚吸积盘模型提供了强有力的支持。
The conclusion is: the short term variability behavior provides a strong support to the thick accretion disk model of AGN.
辐射压支持的流体厚吸积盘模型已经得到比较多的研究,看来存在一些难以解决的问题。
The radiation pressure supported thick accretion disk model has been studied more extensively, and it seems to have some difficulties.
一个戴着摩托车帽子、穿着厚衣服的男子坐在简陋的“四轮车”内安然自若操控着方向盘。
A man who wears a motorcycle hat and is dressed in thick clothes sits safely self-composed operate azimuth circle in simple and crude"four-wheeler car".
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.
盘状半月板特征性的MR表现是盘状半月板明显较正常半月板厚、大,MRI检查易于诊断。
The characteristic MR appearance of discoid meniscus is a meniscus which is significantly larger and thicker than a normal one, and which can be easily identified on MRI.
以基于泛函通用涡旋型线构成的变壁厚涡旋盘为研究对象,建立了以能效比为目标函数的结构参数优化模型。
A variable wall thickness scroll plate constituted by general scroll profiles based on functional theory was taken as the study object.
以基于泛函通用涡旋型线构成的变壁厚涡旋盘为研究对象,建立了以能效比为目标函数的结构参数优化模型。
A variable wall thickness scroll plate constituted by general scroll profiles based on functional theory was taken as the study object.
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