This paper put forward some opinions of electrode char distributive proportion and measurement of Gray-King low temperature assay and compared it with carbonization test in aluminium retort.

主要针对格金低温干馏测定中的电极炭配比、称量等问题提出见解，并与铝甑方法进行了对比。

Key techniques applying to the system are discussed. A new method, the char-set matching method, is put forward which can be used to judge grammar or morphology errors in program.

阐述了系统开发的关键技术提出了字符集匹配法对NC指令进行词法、语法检查的新方法。