| 释义 |
bulk mass
基本例句
大体积
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。 |