一、序言最近,几毫克到几百毫克微小质量测量已成为一个非常重要的问题,在许多文献中,把它列为质量测量中的几项主要任务之一,因为这种测量可以对小质量的样品进行测试,而这种样品对高生产成本和小批量生产的材 I. INTRODUCTION Recently, the measurement of a few milligrams to a few hundred milligrams has become a very important issue, and in many literature it has been listed as one of the few major tasks in quality measurement since it can measure small masses The samples were tested for this sample for high production costs and small batch production of wood