我们大家都知道并理解十进制数系，这是我们每天使用的数系。
We all know and understand the decimal number system; this is the number system we use daily.
数据和数系我们大家都知道并理解十进制数系，这是我们每天使用的数系。
Data and number system we all know and understand the decimal number system; this is the number system we use daily.
拱网为小型工程特别是渠系建筑物低佛氏数底流消能开辟了一条新途径。
Arch net floor has opened up a new way for the small-sized works, expecially for the canal system structures of low FroudaNumber underflow energy dissipation.
对松浦镜鲤（SP）和德国镜鲤选育系（F4）（DJ）的可量性状及体表鳞片数进行比较，SP与DJ的可量性状与体表鳞被存在差异。
In this paper, the measurable characters and number of scales in Songpu mirror carp(SP) and German mirror carp selection strain(F4)(DJ) were compared.
本文讨论了复(实)数域上的二维李三系的分类及其对应的导子代数的性质。
In this paper, We study the classification and the properties of their derivation algebras of 2-dimensional Lie triple systems over the complex (real) number field.
小麦抗赤霉病新品种（系）的丰产性状已有改进，植株高度明显降低，每穗粒数和千粒重有所提高。
The yield characters of new wheat varieties resistant to scab have been improved. The plant height has become lower significantly and the grains per spike and 1000-grain weight has increased.
方法：用图像分析系统测量多柔比星肾病大鼠肾小球面积、系膜区面积和系膜细胞数。
Methods: the glomerular areas, mesangial areas and the number of mesangial cells of Doxorubicin nephropathy in rats were measured by quantitative morphometry study.
温带分布属占本区属数的75.1 %，占本区总种数的81.4 %，热带分布属占本区总属数的8.53 %，表现出明显的温带性质和一定的区系过渡性；
The temperate genera occupied 75.1 % of the total number of genus and 81.4 % of the total species, but the tropical genus occupied only 8.53 % and the flora expressed transitional characteristics;
结论：次要血型不合及输注细胞数多的患者红系恢复较快，而年龄大和非血缘骨髓移植的患者红系恢复慢。
In conclusion, the erythrocyte recovery is more quick in patients with minor ABO incompatible and more number of mononuclear cells infused, while it is slow in patents with old age and unrelated BMT.
利用3 ~4年单枝结果数和单株产果量的平均值作为高产胶优良无性系早期选择的标准。
The average yield of every 3 ~ 4 a from a single twig and from an individual could also be employed as an index for early stage selection of new clones.
鄂尔多斯盆地三叠系延长组长1段发育一套深湖相浊积岩及数层暗色泥岩。
Dark mudstones and the turbidites of deep lake facies were discovered recently in the Member 1 of Yanchang Formation, Upper Triassic in Ordos Basin.
在边界条件和其他几何条件相同时，可以通过切口的应力集中系 数求得相应裂纹问题的应力强度因子。
The stress intensity factor of crack can be calculated from the stress concentration factor of corresponding notch when the boundary condition and other geometric conditions are in the same.
对10个小麦品种（系）的叶片性状和粒数叶比进行了研究。
对10个小麦品种（系）的叶片性状和粒数叶比进行了研究。
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