该装置采用了自动基线调整，自动增益设置，数字滤波，数据压缩等技术，可进行长时间动态记录。
Automatic adjustment of datum line, Automatic gain control, digital filter and data compression are adopted in it, and it can make long-term dynamic record.
本文采用自行研制的测试装置，在国内首次测得注塑模具模腔平均压力的数据，并能达到动态显示、自动记录。
Test unit made by oneself was adopted, the data of injection mould cavity average pressure were first got from checkout in home. In addition, they can be dynamically shown and automatically recorded.
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