Objective:To study diaphanograph with "cold"light source in stomach cancer operation for diagnosis and operation process.

胃癌手术中应用冷光源透照探查病灶恶变与胃周淋巴结转移情况。

However, NC devices have high prices and there’re some volatile factors when NC system is under the practical operation, which incumber the testing and operation process.

但数控设备的成本较高，同时数控系统在实际运转过程中存在一些不稳定因素，给运行调试工作带来不便。