Please apply a minimum of two of the enclosed shipping labels per package (please Photostat the quantity you require if necessary) and use only the metric system when stating dimensions and weight.
每个包裹请至少附两张船运标签(请直接复印至您所需的数量),在描述尺寸和重量时请使用公制。
Science is knowledge which can be made into a system, which depends upon seeing and testing facts and stating general natural laws.
科学是可以形成系统的知识,是通过观察和试验的结果来说明一般的自然法则。
The high precision material measured control system is proposed in text realized by PC, stating the operation principle, composition structure and key technology of designing hardware and software.
本文提出了一种以PC工控机实现的高精度微机称重配料系统,阐述了该系统的工作原理、组成结构以及系统硬、软件设计关键技术。
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