返回根项的句柄；否则返回NULL。
在进行这些修改之后，请运行脚本 migrate_base.pl，它会创建根项，并为Hosts、Networks、Group和People等创建低一级的组织单元
After making this change, run the script migrate_base.pl, which creates the root entry and the next lower level organizational unit entries for Hosts, Networks, Group, and People, among others
在一项实验中，他们向20名志愿者展示了各种物品的图片，并只让他们找到画有一根香蕉的图片。
In one experiment, they showed pictures of various objects to twenty volunteers and asked them to find just one of those, a banana.
局部声明的另一项好处是它们明确地标识了文档中可能的根。
Another benefit of local declarations is that they clearly identify the possible roots in a document.
萨根先生为这条信息应该说些什么忙了好几个月，这是一项非常艰巨的任务。
Mister Sagan worked for many months on what to say in the message. It was an extremely difficult task.
他所展示的这些耗时艺术作品，光是完成每根发丝，就需要一个巨人的毅力了，并且还要画出它自然垂落的样子，这可算得上是一项考验忍耐性的工程了。
The time consuming art that he represents must surely be a one of a kind endeavor since it must take the patience of a titan to finish each hair just the way it’s supposed to fall.
在有关粘合问题上的一项早期的决定——油井下只有一根管道，使得天然气和石油抽上变得更容易——附有条件是粘合的时候需要额外小心。
With the centralisers, an earlier decision—to run only one pipe down the well, making it easier for gas and oil to get up—had been taken with the proviso that extra care would be needed in cementing.
应该经常更改根密码，这是一项审计要求。
Changing the root password at frequent intervals is an audit requirement.
在平面存储库中(例如基于文件的存储库)，基本项是存储库中所有项的根。
In flat repository, such as a file-based repository, a base entry is the root of all the entries within the repository.
这种控制根帐户使用的能力是TAMOS的一项关键特性。
This ability to control root account use is one of the key features of TAMOS.
瓦赫宁根大学正在引领一项有关提取昆虫蛋白质用于食品制造的可行性的研究。
Wageningen University is leading research into the viability of extracting insect protein for use in food products.
勇敢的尼克·华伦达曾经创造过在13层楼高的地方骑车过钢丝的记录，他的另一项世界记录则是由一根在八人高的金字塔上的钢丝组成，当然这些记录都是在没有任何安全保护网下完成的。
Daredevil Nik Wallenda has set world records for biking across a tightrope at more than 13 stories high and for being part of an eight-person pyramid on another wire — all without a safety net.
为此在德国蒂宾根和雷根斯堡大学眼科医院展开了一项研究。
That is the reasoning behind a study being carried out in the eye hospitals of Tübingen and Regensburg universities, in Germany.
请注意，命令中的- dn项定义要存储在数据库存储库中的对象的专有名称的根。
Be aware that the -dn entry in the command defines the root for the distinguished names of the objects to be stored in the database repository.
DOMDocument类：查阅有关这个类的PHPManual项，这个类代表了整个HTML或XML文档并充当文档树的根。
DOMDocument class: Check out the PHP Manual entry for this class, which represents an entire HTML or XML document and serves as the root of the document tree.
SpringFramework由Interface21根据RodJohnson发表的关于依赖项注入设计模式的出版物开发而成。
The Spring Framework was developed by Interface21, based on publications by Rod Johnson on the dependency injection design pattern.
第二项任务完成后，E故意动作明显地归零秒表，放在一边，然后拉回凳子，点上根烟说道
After the half hour on the second task was over, the E conspicuously set the stop watch back to zero, put it away, pushed his chair back, lit a cigarette, and said
雨衣舞者只有这一项工作，而这份工作换一根金属杆就可以来做也绰绰有余。
The poncho-wearers had only one job - one that can be done adequately by a metal pole.
美国人酷爱互联网。最新的一项调查显示，有些美国人甚至爱到宁愿躲掉一根手指也不愿意今后永远不上网。
Americans love the Internet. Some love it so much that they'd rather chop off a finger than stay offline forever, according to a new survey.
事实上一项研究发现，没有朋友也会减少你的寿命，效果相当于1天抽15根烟。
In fact, a study found that having few friends affects your longevity as much as smoking 15 cigarettes a day.
正在申请这一项目拨款的马塞尔•狄克教授在荷兰瓦赫宁根大学领导一组团队。
Professor Marcel Dicke, leading a team at Wageningen University, in Holland, is applying for the grant.
与近藤的研究相合作的林务局另外一项研究中，研究员摩根根·格鲁夫研究了巴尔的摩市中心犯罪率与草坪维护情况之间的关联。
Kondo o's study collaborates another forest service study conducted by researcher Morgan Grove on the link between lawn care and crime in downtown Baltimore.
美国人酷爱互联网。最新的一项调查显示，有些美国人甚至爱到宁愿躲掉一根手指也不愿意今后永远不上网。
Americanss love the Internet. Some love it so much that they'd rather chop off a finger than stay offline forever, according to a new survey.
第三项安全配备是一根又长又细的竿子，用来探测雪中深处以找出被埋滑雪者的精确位置。
The third piece of safety equipment is a long, think pole. It's used to probe deep into the snow to pinpoint the location of a buried skier.
结论：对于在椎弓根螺钉放置前术中评估椎弓根螺钉进针骨通道而言，骨内超声检查一项很可靠的技术。
Conclusion. Intraosseous ultrasound is a highly reliable technique for the intraoperative assessment of pedicle screw holes before pedicle screw placement.
最新的一项调查显示，有些美国人甚至爱到宁愿躲掉一根手指也不愿意今后永远不上网。
Some love it so much that they'd rather chop off a finger than stay offline forever, according to a new survey.
正在德国签署一项协议的梁文根(音译)为中国当前最富有的人。
Liang Wengen, here signing an agreement in Germany, is now China's richest man.
在巴萨、托特纳姆和维根的失利，粉碎了阿森纳两项赛事的抱负。
The defeats at Barcelona, Tottenham and Wigan dashed Arsenal's twin ambitions.
一项最新调查显示，在英国女性看来，（美国）歌手碧昂斯的身材最完美，而男性则更青睐好莱坞女星梅根福克斯。
singer beyonce is the celebrity with the best body in the eyes of british women, but males prefer hollywood actress megan fox , a new survey has found.
一项最新调查显示，在英国女性看来，（美国）歌手碧昂斯的身材最完美，而男性则更青睐好莱坞女星梅根福克斯。
singer beyonce is the celebrity with the best body in the eyes of british women, but males prefer hollywood actress megan fox , a new survey has found.
应用推荐