查询词典 key chains
- 与 key chains 相关的网络解释 [注：此内容来源于网络，仅供参考]
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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
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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.
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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.
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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
- 相关中文对照歌词
- Chains
- Rockin All My Chains On
- Egypt (The Chains Are On)
- Free
- Breaking The Chains
- Chains
- Jordans Gold Chains
- Chains
- In Chains
- Down On Longboat Key
- 推荐网络解释
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the bird of wonder：凤凰;长生鸟
the bird of peace鸽子 | the bird of prey 猛禽 | the bird of wonder凤凰;长生鸟
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flange rail：平底轨条
"凸缘皮带轮","flange pulley" | "平底轨条","flange rail" | "凸缘肋","flange rib"
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cerebral infarction：脑缺血
注意缺陷多动:prefrontal cortex | 脑缺血:Cerebral infarction | 脑缺血:cerebral ischemia.