例句與造句

1. Guiding function of initial rock stress field arid the influence of wave transmission effect on rock blasting are studied by combination experiment . measurement , analysis with real blasting engineering examples
   摘要對巖體應(yīng)力場導(dǎo)向作用進(jìn)行了試驗、測試、分析研究，并結(jié)合工程實例闡述了波導(dǎo)效應(yīng)對爆破效果產(chǎn)生的影響。
2. It's difficult to find initial rock in a sentence. 用initial rock造句挺難的