缩微化 meaning in Chinese

micromation

Test for reprographic use ; test table for microfilming with planetary camera of technical drawings
复制用品试验.技术图纸的文献资料相机缩微化用检验表
Tests for reprographic use ; din - test assembly test table for testing the microfilming of technical drawings ; neutral density cards for use in practice
电子翻印用途检验.检验技术图纸缩微化的din检验组件