常見例句雙語例句The astronomers found an "X-ray mass" only a tenth of the mass found using the gravitational lens method.天文學(xué)家發(fā)現(xiàn)“X射線估算的質(zhì)量”僅有“引力透鏡”方法估算的質(zhì)量的十分之一。I was told that the gravitational method is the most inexpensive method among the geophysical prospecting .我聽說在所有的地球物理勘探方法中,重力法是最爲(wèi)經(jīng)濟(jì)的一種方法。A detailed description of the particle size distribution of pulverized dust and flue dust measured with gravitational sedimentation method on SA-CP2-20 particle size analyser is given.本文介紹了在SA-CP2-20粒度分析儀上用重力沉降法測量菸道粉塵和機(jī)械破碎粉塵的粒度分佈。 返回 gravitational method