digital line section是什么意思

网络释义

用法例句

The Research of Promotion Strategy of Chinese Cable Digital TV;

我国有线数字电视的推广模式研究

The Implementation of Cable Digital TV of the Small and Medium-sized TV Stations;

中小电视台有线数字电视的实现

This article focuses on the application of cable digital TV STB(set Top Box) technique to long-distance education and its performance.

本文探讨了数字电视机顶盒在有线数字电视网络中的现代远程教育应用的途径,并对实时双向交互教学、异步教学以及电子教学节目指南等功能实现进行了技术分析。

This paper introduces the standard and specification adopted by TEDA Company in the acceptance test of the system transformed to digital cable TV.

介绍了天津泰达有线数字电视整体转换验收测试依据的标准和规范以及测试的主要内容,并对系统主要性能指标测试方法及分析进行了详细阐述。

Based on the characteristic extracting of RF signal in digital cable TV system, this paper puts forward an algorithm for modulation recognition between 16QAM and 64QAM RF signals.

从有线数字电视射频信号特征参数提取着手,建立了一套识别16QAM和64QAM射频信号调制方式的数学算法。

Digitization is an inevitable trend of Chinese digital cable TV.

数字化是有线电视发展的必然趋势,我国有线数字电视自2003年推广以来,历经数年努力,虽有所进展,局势却依旧不容乐观。

alphanumeric field descriptor

字母数字字段描述符

A Discussion on AutoSum of Omnipotence Numeric Fields in Database or Datasheet

数据库表的“万能”数字字段自动求和

The application assumes that a number field must contain a number-data integrity tells it so.

软件认为，一个数字字段必须包含一个数字——数据完整性告诉它这些。

Field names can contain only letters, numbers, or the underscore character.

字段名称只能包含字母、数字或下划线字符。

You must pick at least one field to be a data field. Please check one or more fields to make available as data fields.

必须选取至少一个字段作为数据字段。请选取一或多个数据字段。

length of data-directed transmission field

数据定向传输字段长度

reduce the passage to half the number of words

把这段字数减少到一半

Must be a character or numeric key field.

必须是一个字符或数值型的关键字段。

Numeric type requested for string-only field.

数值型要求只允许字符串型字段。

String type requested for numeric-only field.

字符串类型要求只允许数值型字段。

Specify a range of numbers this field can contain

请指定该字段所能包含的数字范围

Field names in Database Tables cannot be more than 128 characters

数据库表的字段名不能超过 128 个字符

The selected database table does not contain enough fields that the Database Wizard can use as key fields. Choose a lower number of key fields.

所选数据库表包含的“数据库向导”可用作关键字字段的字段不足。少选一些关键字字段。

Field names may only contain alphanumeric characters and the following separators: # / - :

字段名称只能包含字母、数字和下列符号：#/-:

The selected database table does not contain any fields that the Database Wizard can use as key fields.

所选数据库表不包含任何“数据库向导”可用作关键字字段的字段。

DOUBLE fields are numeric fields stored in binary form

双精度型字段是以二进制存储的数值字段

Create a table by specifying the field names, data types, and field properties.

通过指定字段名称、数据类型和字段属性创建表。

Numeric fields are 1 to 20 digits wide, including the +, -, or .

数值字段宽度可以为1到20个数字,包括+,-,或.