常見例句雙語例句It is a difficult point to teach the students solving the wave equation on finite interval by the reflection law of the wave.用波的反射原理求解有限區(qū)間上的波動方程是數(shù)學(xué)物理方程中的基本內(nèi)容,也是教學(xué)中的難點(diǎn)內(nèi)容。In this paper, structural factor of the dhcp was calculated on basis of the electron diffraction theory and the forbidden reflection law was discussed.根據(jù)電子衍射理論,計(jì)算了這種相的結(jié)搆因子竝得出了其消光槼律。Methods By using the ultrasound pulse reflection law, the correlation between the process of thrombosis formation and changes in the ultrasonic velocity was studied quantitatively.方法採用超聲脈沖反射法,著重就血栓形成過程中對其聲速變化的相關(guān)性進(jìn)行了定量研究。權(quán)威例句President Karzai, as well as the other candidates, I think have shown that they have the interest of the Afghan people at heart, that this is a reflection of a commitment to rule of law, and an insistence that the Afghan people's will should be done.WHITEHOUSE: President Obama and Iraqi PM Nuri al-Maliki Address the Press The White HouseInstead, the current law is an appropriate and necessary reflection of the realities of human nature.CENTERFORSECURITYPOLICY: Obama vs. the all-volunteer militaryThird, the Republicans are insisting that spending should be measured from a current law baseline that is not an accurate reflection of reality.WHITEHOUSE: Starting from the Right Place 返回 reflection law