1. 对古、近代有关大白菜的文献试行勘校和补充。
The literature of Chinese cabbage were reviewed and revised.
2. 勘校的解释
2. 近年来，Internet 迅速扩张，大量的信息犹如潮水般涌来，这些信息的主要载体仍然是自然语言，人们渴望发展自然语言信息处理技术以实现文本自动分类、文献检索、信息提取、自动翻译、自动文摘、自动勘校，以加速信息、知识与文化的交流，促进社会、经济、科学的进步，显然这是每一个国家都面临的挑战。
Natural language information process technology is eagerly demanded to achieve automatic text categorization, document retrieval, information extraction, automatic translation, automatic abstraction, automatic proofreading, which will speed up the communications of information, knowledge and culture, and enhance social, economic and scientific progress. Obviously, this poses a challenge to every country.