A statistic method for the validity research of stock market 證券市場有效性研究的統(tǒng)計學(xué)方法
The validity research of this kind of virtual prototype has a guiding significance on the design and manufacturing of light arms equipment 這種虛擬樣機的有效性研究時輕武器裝備的設(shè)計和制造具有指導(dǎo)意義。