简要介绍三维设计软件MDT在组合夹具装配过程中的应用，实现了MDT环境下组合夹具零件库的建立及组合夹具的装配过程。
由邻*苯*和*醛水溶液反应合成得到了高纯度的3，3 -二*基-4，4 -二氨基二苯**（MDT），并对其*能进行了表征。
基于MDT软件和组合夹具CAD系统，开发了夹具设计中组合尺寸元件选择和精度检验的实现方法。
This success story demonstrates once again the value of integrating leprosy services into the public health system, and making MDT treatment truly available to everyone.
Multidrug therapy (MDT) treatment has been made available by WHO free of charge to all patients worldwide since 1995, and provides a simple yet highly effective cure for all types of leprosy.
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
