例句 /

Early investigations of porosity were conducted to a large extent by investigators in the fields of ground-water geology, chemical engineering, and ceramics.

Early investigations of porosity were conducted to a large extent by investigators in the fields of ground-water geology, chemical engineering, and ceramics.

早期对孔隙度的研究主要是由地下水地质学、化学工程和制陶术等领域的研究人员进行的。