bulk mass
英
美
- bulk n.体积；容积；大块；大部分；大批adj.散装的；大量的vt.使膨胀；使成堆vi.膨胀；显得重要
- mass n.大量；块；众多adj.大规模的；群众的v.集中Mass.n.弥撒曲；弥撒
- Because of this large binding energy, the exciton is stable at room temperature even in bulk crystals.
正是由于它高的激子结合能，甚至在室温下在大体积的晶体中激子仍很稳定。
- It is a difficulty to guarantee the high quality for bulk concrete construction in the high temperature weather.
在高温天气如何保证要求高的大体积混凝土的施工质量是一个难题。
