| 术语 | valid request |
| 释义 | valid request 有效请求 A TDMS (Terminal Data Management System) request in the CDD (Common Data Dictionary) with the following characteristics: (a) The form and record definitions named in the request are stored in the CDD. (b) The record field and form field names used in mapping instructions are the same as those contained in the form and record definitions.(c) According to TDMS mapping rules, the following are compatible: the data types of fields mapped to each other, the lengths of fields mapped to each other, the types (for example, simple, group, array) of fields mappedto each other. 在VAX操作系统中，公用数据字典(CDD)中有如下特性的终端数据管理系统(TDMS)请求： (1) 请求中命名的格式和记录定义存放在公用数据字典中。(2) 用于映射指令的记录字段和格式字 段名与格式和记录定义中的相同。(3) 依照终端数据管理系统的映射规则，下列各项是可兼容的： 互相映射的字段的数据类型、互相映射的字段的长度、互相映射的字段的类型(如单、群、数组)。 |
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