管理学 情报输出技术 释 computer output microfilmer; COM 计算机输出缩微片 将计算机输出的二进制编码数据转换成人可读缩微影像，并记录在感光胶片上的技术。
数据库 数据库应用开发 释文 component object model, COM 组件对象模型
- Beltrami differential equation
- Beltrami-Enneper theorem
- Beltrami equation
- Beltrami field
- Beltrami formula
- Beltrami identity
- Beltrami interpretation
- Beltrami mapping
- Beltrami method
- Beltrami operator
- Beltrami parameter
- Beltrami pseudosphere
- Beltrami system of equations
- Beltrami theorem
- belt scale
- Belt-shaped Radio telescope
- Beltsville Agricultural Research Center
- belt transect
- belt transect method
- belt transportation inclined shaft
- belt-type electrostatic separator
- belt type roasting machine pelletizing process
- belt type seeder
- belt vacuum filter
- belt vessel