查询词典 command key

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

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

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

aegrotat：疾病诊断书

aegis 羊皮盾 | aegrotat 疾病诊断书 | Aeneas 勇士

Yeah, l.... I seem to get the squirrelly one every year：是的,我好像每一年都有古怪行为

Locker problems again, Mr. Rogers?|又是锁... | Yeah, l.... I seem to get the squirrelly one every year.|是的,我好像每一年都有古怪行为 | I like to think I am pretty plugged in to the scene here at the "C...