查询词典 key-ring
- 与 key-ring 相关的网络解释 [注：此内容来源于网络，仅供参考]
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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.
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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,
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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.
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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
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Key seater：键槽铣床
key seat cutter 键槽铣刀 | key seater 键槽铣床 | key seating 键座
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key sender：键发送器
键搜寻 key search | 键发送器 key sender | 键发送 key sending
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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
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key sender：电键发送器
key selector 密钥选择器 | key sender 电键发送器 | key slotter 键槽插床
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key, shift lock：字母变换锁定键
key, shift 字母变换键 | key, shift lock 字母变换锁定键 | key, soft 软键
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Sickroom Key：病房钥匙
73 Warehouse key 最初始房间钥匙 | 74 Sickroom Key 病房钥匙 | 75 Emblem Key 会徽钥匙
- 相关中文对照歌词
- Ring Ring
- Ring My Bell
- Ring Ding Dong
- Ring-A-Ling
- Let Freedom Ring
- Ring My Bells
- Ring Me
- My Doorbell
- Down On Longboat Key
- Ring Ring
- 推荐网络解释
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White Mustard Seed Extract：白芥子提取物
Cherokee rose fruit extract 金樱子提取物 | White Mustard Seed Extract白芥子提取物 | Chinese Dodder Seed Extract 菟丝子提取物
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snowstorm warning：暴风雪警告
28. weather report 天气报告 | 29. snowstorm warning 暴风雪警告 | 1. shake(名词)_______
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overcompensating desk of his,and we told him to make a choice：[大的过分的办公桌前 要他做个选择]
She wasn't going anywhereon her own. [她自己是绝不会自动退出的] | overcompensating desk of his,and we told him to make a choice. [大的过分的办公桌前 要他做个选择] | Who'd he choose? [他选了谁?]