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by formula中文什么意思

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  1. The stability bearing capacity of purlin was calculated by formulas of two criterion and some design manual . some comments on the design of purlin are proposed after comparing the results , including the investigation result of this paper
    把试验和理论计算结果与门式刚架规程、澳洲冷弯型钢结构规范及设计手册的计算结果进行了比较。
  2. Amazingly , although driver helmets and overalls were stipulated by formula one racing ' s governing body , the fia , as far back as the early ’ 60s , safety belts have only been compulsory features in a formula one car since 1972
    不过让人惊讶的是,一级方程式管理机构国际汽联早在二十世纪六十年代就已经对车手的头盔和赛车服作出了相关规定,但是直到1972年安全带才被强制要求安装在一级方程式赛车中。
  3. The temperature stress is analyzed by formula and numerical method respectively ; and the fit temperature step is obtained . the interactions of undamaged pavement and soft clay ground , damaged pavements and soft clay ground are studied under the conditions of temperature change
    其次,采用公式法和有限单元法计算一维沥青混凝土杆低温下变温的温度应力,通过分析给出了采用有限单元法计算温度应力时的合适温度步长。
  4. By formula about effective bandwidth , he get the bandwidth near 1540 nm wavelength , which is 64 . 54nm . the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ) . it is useful to improve transmitted capacity of information in fiber
    对1540nm处光谱有效带宽的计算,得到结果为64 . 54nm ,这个带宽已远高于目前常用掺er硅光纤和氟化物光纤放大器的20 - 30nm增益带宽,于扩大光纤信息传输容量有很大益处。
  5. Three absolute radiometers compare with the solar irradiance absolute radiometer ( siar - 1 ) respectively on ground , and calculate the corrected coefficient of three absolute radiometers relativity to wrr respectively . seven calibrated factors are introduced , and the formula of every calibrated factor is showed , which according to the principle and the work in fact of stim . it can truly calculate corrected coefficient of every calibrated factor by formula
    在地面,通过把三台绝对辐射计分别与同世界辐射基准wrr比对过的绝对辐射计siar - 1进行了比对,分别计算出了三台绝对辐射计相对于世界辐射基准wrr的修正系数;在空间,结合太阳辐照度监测仪的工作原理及其实际工作情况,研究出了太阳辐照度监测仪星上测量七项校正因子的计算公式,通过这些公式能够准确地计算出各项校正因子的修正系数。

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