Mark Robinson of Arizona State University, sifted through the data for telltale jumps in the ratio of ultra-violet to visible light.
亚利桑那州立大学的马克-罗宾逊，筛选了由紫外线和可见光的比率所得到的数据而得出这一结论（月球上存有钛矿）。
According to above criteria system, the mark value of the criterion was made sure firstly and the realization ratio of the criterion was obtained.
按照这个指标体系，首先确定各单项指标的标志值，得到各单项指标实现率。
By analysing frequency spectrum in this paper, we can understand that when NRZ code be transferred into RZ code of 1/2 mark-to-space ratio, the timing clock can be obtained at largest power.
本文通过对NRZ、RZ伪随机码序列进行频谱分析，得知当NRZ码变换成码元占空比为1/2的RZ码时，所提取出的定时时钟功率最强。
Methods:The extracting conditions and adsorptive characteristics and elutive parameters of the process were studied by taking the extraction efficiency and purified ratio of Rheum as mark.
方法以大黄总蒽醌的提取率及洗脱率为考察指标，考察大黄的提取条件及大孔吸附树脂富集、纯化大黄总蒽醌的吸附性能和洗脱参数。
The ratio of reinforcement, reinforcement stirrup, concrete mark and laying method of piers are similar to prototype ones.
模型墩柱的配箍率、配筋率、混凝土标号以及浇筑方法均与原型桥墩相似。
They also set a relatively low pass mark, saying that no bank should be allowed to let its core-capital ratio drop below 5% by the end of 2012.
他们还设立了一个相对较低的标准，并称2012年末所有的银行的核心资金充足率都不得低于5%。
The least reach-mark-ratio of four pests densities was rat density.
四害密度控制率最高的为蚊，最低的为鼠；
With regard to low coverage ratio of urban rail transit, this paper introduces network mark to record the railway layout.
本文针对我国城市轨道交通网络覆盖率低的特点，提出采用网络标识确定轨道交通的空间布局。
With regard to low coverage ratio of urban rail transit, this paper introduces network mark to record the railway layout.
本文针对我国城市轨道交通网络覆盖率低的特点，提出采用网络标识确定轨道交通的空间布局。
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