何勒内斯字段描述符 何勒内斯字段描述符的英文 英语翻译 Hollerith field descriptor 拓展翻译 何勒内斯字符集Hollerith character set何勒内斯Hollerith何勒内斯代码Hollerith code何勒内斯格式Hollerith format何勒内斯卡片Hollerith card何勒内斯描述符H descriptor何勒内斯数据Hollerith data何勒内斯值Hollerith value后继参数字段subsequent parameter field基本字段base field弧描述arc description环境描述environment description环境描述语句environment description statement集合描述set description何what; where; who; why何必there is no need何不why not何待酸codeic acid何等what kind何地five W-Hs