例句與造句

1. a statistic method for the validity research of stock market
   證券市場(chǎng)有效性研究的統(tǒng)計(jì)學(xué)方法
2. 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(jī)的有效性研究時(shí)輕武器裝備的設(shè)計(jì)和制造具有指導(dǎo)意義。
3. It's difficult to find validity research in a sentence. 用validity research造句挺難的