您要查找的是不是：
- Repeat step 3 until an empty set is returned. 重复步骤3,直到返回空集。
- Because this department has no manager, fn_getsubtree returned an empty set for it. 因为该部门没有经理,所以fn_getsubtree将针对该部门返回空集。
- If the specified number of tuples is less than 1, the Head function returns an empty set. 如果指定的元组数目小于1,则Head函数返回空集。
- The properties dialog box in general, the caption to an empty set, use the ctrl alt del discovered less than this procedure. 创建一个基于对话框的工程，一切默认即可。在对话框的属性general中，设置caption为空，这样用ctrl+alt+del就发现不到此 程序。
- The empty set is linearly independent, for linearly dependent sets must be nonempty. 空集合為線性獨立，線性相依集合必為非空集合。
- Without arguments, must include an empty set of parentheses () 如果没有参数,必须含有空括号()
- It is now our aim to set up a factory. 我们现在的目的是创办一座工厂。
- He asked for a donation but went away empty handed. 他请求人们捐款，但离开时却一无所获！
- An empty stomach is not a good political adviser. 空肚子不是政治上的好顾问。
- The baker empty several bags of flour into a bin. 面包师把几袋面粉倒入贮藏箱里。
- Don't always indulge in empty talk. 别总是纸上谈兵。
- His footsteps echoed (in the empty hall). 他的脚步声(在空荡荡的大堂里)产生了回声。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The judgment set a new precedent. 那次判决树立了一个新的判例。
- I had to empty out the drawer to find the papers. 我不得不倒出抽屉的东西以找出那些文件。
- A rival company has set afloat a new credit scheme. 一家竞争的公司已开始实施一项新的信用购物方案。
- These words are empty of meaning. 这些话毫无意义。
- She bought a set of furniture on easy terms. 她以分期付款的方式买了一套家具。
- The old empty house soon went to rack and ruin. 这所旧的空房子很快就毁坏了。
- The printer can set this additional page in here. 这位印刷工把这额外的一页加在这里。
