Two primary standard reference fuels, normal heptane and iso-octane arbitrarily assigned 0 and 100 octane number, respectively, are then blended to produce the same knock intensity as the test sample.
两种基准参考燃料正庚烷和异辛烷分别被定义成辛烷值为0和辛烷值为100，将它们混合产生与实验样本相等敲缸强度的爆震。
Objective This paper aims at supplying a scientific basis for unifying the normal reference value standard of red blood cell count of Chinese young girls.
目的为制定中国女性幼儿红细胞计数正常参考值的统一标准提供科学依据。
And it also offer EMG standard figure, normal value data, nerve and muscle select scheme etc, for reference.
同时系统给出肌电图标准图形、正常值数据、神经和肌肉选择方案及诊断标准等，可供随时参考。
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