查询词典 key chains

key station on line business oriented language,KOBOL：主站联机商业导向语言

主站 key station | 主站控制语言 key station control language,KCL | 主站联机商业导向语言 key station on line business oriented language,KOBOL

Press the page Down key：向下跳页

Press the page Up key:向上跳页. | Press the page Down key:向下跳页. | Press the page Up Arrow key:游标向上跳动.

Press the page Down Arrow key：游标向下跳动

Press the page Up Arrow key:游标向上跳动. | Press the page Down Arrow key:游标向下跳动. | Press the page Left Arrow key:游标向左跳动.

Press the page Up Arrow key：游标向上跳动

Press the page Down key:向下跳页. | Press the page Up Arrow key:游标向上跳动. | Press the page Down Arrow key:游标向下跳动.

primary key：主码

I)超码(SUPER KEY)关系中能惟一标识每个元组的属性或属性组(集) 一个关系可能有多个超码;候选码(CANDIDATE KEY)关系中能惟一标识每个元组的最少属性或属性组 一个关系可能有多个候选码;主 码(Primary Key)从候选码中选择一个作为该关系的主码,

composite primary key：复合主键

但复合外键(composite foreign key)必须引用列数及列数据类型均相同的复合主键(composite primary key)或复合唯一键(composite unique key). 由于复合主键及复合唯一键的列数不能超过 32 个,因此复合外键也受此限制.

Key seater：键槽铣刀;键槽铣床

key seat cutter 键槽铣刀 | key seater 键槽铣刀;键槽铣床 | key seat gauge 键槽规

Key seater：键槽铣床

key seat cutter 键槽铣刀 | key seater 键槽铣床 | key seating 键座

key sender：键发送器

键搜寻 key search | 键发送器 key sender | 键发送 key sending

key sender：密钥发送器,电键发送器,按钮电键

key selector 密钥选择器 | key sender 密钥发送器,电键发送器,按钮电键 | key sequence 关键字顺序

Martius yellow：abbr. my; 马汀氏黄

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stylistic deviances of post-modern literary works：后现代主义文学

现代中国文学:literary works of modern China | 后现代主义文学:stylistic deviances of post-modern literary works | 认定:works