该系列输送、提升机是为辅助计量、包装设备而设计的。
The elevators of this series are designed for auxiliary packaging metering equipment.
还有一些辅助服务模式正在开发过程中，其中许多已将计费和计量模式标准化，现在已受到企业各层的认可。
Secondary service models are in progress, and many have standardized billing and metering models that have gained acceptance in all levels of business.
介绍“计量经济学”计算机辅助教学的必要性，系统的设计目标、结构与功能，系统的应用效果。
This paper presents essentiality, design purpose, structure, function and application results of econometrics computer aided instruction system.
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