片语

fundamental formula period基本周期

fundamental period parallellogram基本周期平行四边形

the fundamental period基础阶段

fundamental period matrix基本周期矩阵

fundamental period of vibration自振周期

fundamental natural period基本自振周期

fundamental period parallelogram原始周期平行四边形

英汉例句

• some empirical relationships for non-seismic design rc structures are now used in several design codes to relate the fundamental period to the height of a building.

  现行规范中已存在许多经验公式去描述非抗震设计的钢筋混凝土结构的自振周期与建筑高度的关系。

• the college english teaching is divided into the fundamental period and the application and improvement period. esp is mainly taught, and is a core, in the second period.

  中国的大学英语教学分为基础阶段和应用提高阶段，在应用提高阶段的主要教学任务是进行esp教学。

• in addition, the empirical formulas for estimating the ratios of 2nd and 3th mode periods to the fundamental period are put forward through statistical analysis.

  同时，通过统计分析给出第二振型、第三振型周期与基本周期比值的经验公式。

• puberty has forever been thought of as the most fundamental period in one's life in which health development both in body and hi mind certainly influences the future of every person deeply.

  青年期，历来被人们认为是人的一生中最关键的时期，这一时期身心的健康发展将对一个人未来的生活产生深远的影响。

• the results shows that the fundamental frequency of the model which takes the combined activate into consideration reduced evidently, and the fundamental period prolonged evidently.

  研究结果表明，考虑地基土、砂砾石垫层、上部结构共同作用时，结构的基本频率明显减小，相应的基本周期明显延长；