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- locally null set 局部零集
- My finding: Class C was a null set. 我的发现:等级C是一个空集。
- Set Null Sets the value to null if all foreign key columns for the table can accept null values. 设置空如果表的所有外键列都可接受空值,则将该值设置为空。
- The null set is any set subset. 空集是指不含任何元素的集合,空集是任何集合的子集。
- Then,the system is linearized by variational approach,the local null controllability is proved by applying a generalized implicit function theorem and combining the property of the solution mapping. 首先得到了系统的逼近能控性;然后采用变分方法对系统线性化,再结合解映射的性质,应用推广的隐函数定理,证明系统的局部零能控性;最后给出系统零能控的结论。
- The council set up a committee to enquire into local unemployment. 参议会成立了一个委员会调查当地的失业情况。
- A syndicate of local businessmen is bidding for the contract. 一个当地企业家的联合组织在向这一合同投标。
- My husband is a history teacher at the local school. 我丈夫是本地学校的一位历史教师。
- His son was indentured to the local blacksmith. 他的儿子拜当地的铁匠为师签订了师徒合同。
- Note that this setting is independent of the nulls setting in the columns contained in the foreign key. 注意该设置与外键中所包含列的nulls设置无关。
- Barry is the new news hawk at the local newspaper. 巴利是这家地方报纸最新聘任的新闻记者。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- He's a paint sprayer in the local factory. 他在当地工厂当喷漆工。
- The local shop has some radios going cheap. 本地商店有些廉价的收音机。
- The local economy is now in a mess. 当地的经济现在很混乱。
- That's not a local accent. Where do you hail from? 那不是本地口音,你是什么地方人?
- Some of the local news come on very quick. 有些本地新闻很快就上电视。
- There's a good play on at the local theatre. 本地剧院正在上演一出好剧。
- I am not really familiar with the local laws. 实际上我对当地的法律并不熟。
- He ran off an article for the local newspaper. 他为当地报纸匆匆写了篇文章。