石窟

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

粒子中有较多的酸性污染物并比粗粒子酸性强,粒子对有侵蚀作用。

Their architectural structure, religious function, iconographic program, theme and style are to be discussed.

本文针对它们的建筑形制、类型、宗教功能、绘塑题、布局、风格与样式加以探讨。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的进步和完善，是解分期问题的希望所在。