All gravimetric measurements require some sort of crucible or dish to hold the residue or precipitate. 所有重量分析需要某种坩埚或器皿保留残渣或沉淀物。
"A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more." "科幻小说不能简单地看成是供消遣的，而实际上它给读者展示更深刻的内容。"
The gravimetric method used the least chemicals, but its whole procedure was the most time consuming of the four methods. 重量法使用之药品最少，然操作方式最传统最耗时，最大的困难是反应终点难以控制。
The phosphorus contents of the floccules were measured with quinoline weight method. 采用喹啉重量法测定了各种絮凝剂形成的絮体中磷的含量。
