B. C.

网络  公元前

医学



双语例句

  1. “ The Capital Gazatte ”, first published in the Han Dynasty ( 206 B. C.-220 A. D.), was the earliest newspaper in the world.
    创始于中国汉代的《邸报》是世界上最早的报纸。
  2. Western Zhou oracle bone script ( 11 th century& 771 B. C.), readable only through a magnifying glass.
    用放大镜才能看清楚的西周时期(元前11世纪-前771年)甲骨文。
  3. Brief introduction about the research methods of occurrences of trace elements in coal: ( 1) indirect methods, a. float sink experiment, b. single component analysis, c.
    简要介绍了煤中微量元素赋存状态的主要研究方法:(1)间接方法。
  4. The most commonly used are F. O. B. and C. I. F. invoices, right?
    最普遍使用的是离岸价和起岸价发票,是吗?
  5. During the Han Dynasty ( 206 B. C.-220 A. D.), the centralized feudal state became even more powerful by inheriting the Qin system.
    汉朝(公元前206年&公元220年)继承秦制,中央集权的封建国家更加强大。
  6. Coliforms, B. cereus, C. porringers, and Salmonella species have been detected in most spices. An ant carries various kinds of pathogens, such as diamond-shaped bacillus, salmonella, staphylococcus and streptococcus, etc.
    在许多调味品种,检出大肠杆菌,芽样芽孢杆菌,产气荚膜梭状芽胞杆菌和沙门氏菌。它可带多种病原体,如:菱形芽孢杆菌、门氏菌、葡球菌、球菌等。
  7. The characteristic dimensions are: a.effective aperture of oil injection; b.depth dimension the slot on the side of the seat; c.seat diameter dimension; d.height of the rubber ring.
    特性尺寸包括:a.喷油有效口径;b.阀座侧面槽深尺寸;c.阀座径尺寸;d.橡胶密封圈高度。
  8. The initial voltage is raised by as much as 2-4 times, when polyethylene is modified by three different kinds of additives A. B. C.
    用A、B、C三种添加剂将聚乙烯改性,树枝起始电压竟提高2至4倍之多。
  9. The Zhong-kang solar eclipse occurred probably in about the 20th century B. C.
    仲康日食大约发生在公元前20世纪。
  10. The transition points of the hydrolysis rates occur at the points of the structural transition from W/ O to B. C.
    而水解反应速率转变点发生在微乳液结构由W/O到B.C。
  11. Before Confucius, Propriety had been a key category and a supreme concept of the social and political ideology in the "Spring and Autumn Period"( 770-476 B. C.)
    孔子之前,礼是一个核心范畴,成为春秋时代思想和社会政治观念中的最高层次。
  12. To obtain every spacial diffusion parameter of earthquake damage elements, an information system of historical seismic disasters ( 2300 B. C. to A. D. 1980) has been set up.
    为了获得震害要素的空间扩散参数,建立了大型的中国历史地震灾情信息系统(2300B.C.~A.D.1990)。
  13. Background of the Industry B. Main Characters of Catering Market C.
    行业背景B.餐饮市场主要特点C。
  14. On two approaches of the school administrators 'authority establishment b. the authority of laws; c.
    树立法律的权威;
  15. To identify the humoral immunological characteristics of the super severe combined immunodeficient mice ( B. C. B-17 scid-beige mice), sera of the mice were analysed with various immunochemical techniques.
    本文采用多项免疫化学技术对超重症联合免疫缺陷小鼠(B.C,B-17scid-beige)血清免疫化学特征进行了分析。
  16. Three-week old male chickens were used and divided at random into three groups A. B. and C.
    本实验用蛋肉两用3周龄公雏,随机分成A、B、C三组。
  17. , the four cold periods included 1000 B. C.
    4个冷期为1000B.C。
  18. The mobile phase consisted of A: 3% glacial acetic acid-diethylamine ( 1000:7.8), B: methanol, and C: acetonitrile ( non-lin-ear gradient elution).
    流动相:A.3%冰醋酸-二乙胺(1000∶7.8),B.甲醇,C.乙腈(非线性梯度洗脱);柱温:20℃;
  19. Phase C is a b. c. c. Design of Three Phase Invertion Bridges Power Supply for SRM
    C相为残余的Y2O3相。开关磁阻电机三相逆变桥驱动电源设计
  20. B. Model analysis on local climate. C.
    2局地气候的模型分析;
  21. , and B. C. to O/ W, and this was considered to be caused by the different hydrolysis mechanism and the change of polarity in interfacial films.
    再到O/W转变点处,认为是水解反应机理不同和界面膜极性改变造成的。
  22. Clinical Analyses of Acute Non-A. B. C. D. E Viral Hepatitis
    急性非甲乙丙丁戊型病毒性肝炎的临床分析
  23. The influence of coking process combining A. D. A and C. B. C. technique on the coke quality
    配添加物和煤料压实法炼焦对焦炭质量的影响
  24. The research technical line is: a. Analysis for Social-economic statistical information system; b. System design; c. Spatio-temporal database design; d. System development.
    研究的技术路线为:①社会经济统计信息系统的分析;②系统的设计;③时空数据库设计;④系统的实现。
  25. The significant improvement of mechanical properties can be ascribed to follows: a. refinement strengthening caused by dynamic recrystallization; b. work hardening caused by dislocation tangles; c. dispersion strengthening caused by the crushed and dispersive distributed compound phases.
    其中,力学性能的大幅提高可归结为:a.动态再结晶引起的细晶强化;b.位错缠结引起的加工硬化;c.化合物相破碎并弥散分布引起的弥散强化。