电子天平是采用电磁力平衡的原理，应用现代电子技术设计而成的。
Electronic balance is the use of electromagnetic force balance principle, the application of modern electronic technology design made of.
石英微天平(QCM)被广泛应用于化学、物理和生物领域。
Quartz crystal microbalance (QCM) is widely used in chemistry, physics and biology.
介绍了环状天平计重机的结构，工作原理及其控制系统，并说明了应用场合及配套设备的设计。
The structure, operational principle and control system of the annular balance weigher are introduced. The applicable conditions and the design of auxiliary equipment are described.
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