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词汇
virtual field
释义
virtual field
虚拟栏位,虚拟资料项
在资料库中,一种逻辑段,它没有对应的实际储存栏位。其实际数值来源於另一个记录的某个栏位(称为源栏位)或者通过对几个储存栏位值的集合执行某个过程得到。虚拟栏位的值不能直接建立和更新。
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set forth
set free
SETI
setiferous
setiform
setigerous
set in
set-in
set in one's ways
set occurrence
set of B/L
set off
set off
set-off
setoff
set of shipping documents
set on
set one's face against
set one's hand to
set one's heart on sth.
set one's sights on
set on fire
setose
set out
setout
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