Typically, su accounts are setup so that a user can temporarily switch to another account, for example the root user or an application owner.
通常，通过设置su账户让用户可以临时切换为另一个账户，例如root用户或应用程序所有者。
System administrators who provide su access to a user gives the ability for a user to switch or substitute to another user without logging out from their current account.
系统管理员可以向用户提供su访问权，让用户能够切换为另一个用户，而不需要注销当前账户。
Undeterred, it bought a Su-33 prototype from Ukraine in 2001 and used that to develop its version, designated the Shenyang J-15.
但并不罢休的他们2001年从乌克兰买来一架苏-33原型机并依葫芦画瓢开发自己的版本，称为沈飞j - 15。
The export battle plane Su-30 is a Russian quality standard and a winner of international tenders.
这种出口的苏—30战机是俄系战机水准的标杆，受到国际买家的青睐。
On New Year's Day 2011, Ambassador Su Ge paid a visit to the dormitory of the Chinese construction workers for Reykjavik Concert Hall and Conference Center.
2011新年伊始，驻冰岛大使苏格驱车数十公里，专程前往驻地看望并慰问中国武汉凌云建筑装饰工程公司工人。
The temple was given its current name in 1099 by the exiled poet Su Dongpo (1037-1101), who commemorated the banyan trees in the courtyard with a poem.
1099年，贬谪岭南的大诗人苏东坡(1037-1101年)在此留下一首诗，抒咏榕树。 从此以后，寺庙改名为"六榕寺"。
Su Qingcai, a tea farmer from Fujian Province, and his wife, Zhou Xiuqin, took in a boy who turned out to have been stolen.
左图为福建茶农苏庆才和他的妻子，他们收养了一个男孩，结果发现是被人拐来的
Su: If she thinks you are a kind of happy to leave it?
苏：如果她认为离开你是一种幸福呢？
Su Taylor, a spokeswoman for the Vegetarian Society, welcomed Lord Stern's remarks.
素食者协会的发言人苏泰勒对斯特恩议员的讲话表示赞同。
Su Yinyin's family were thrilled when she won a place at university.
当苏盈盈考上大学时，她们全家都为此兴奋不已。
Su: Yes, from the very beginning you made a mistake.
苏：是的，从一开始你就犯了错。
Su: on one occasion, I fancy at the store a set of noble suits, can be said to put it down, the salesperson asked me whether or not to.
苏：有一次，我在商店看中一套高贵的西服，可谓爱不释手。营业员问我要不要。
What Haiping always says is “it is all your fault” which Su Chun is already quite used to and is answered by him “alright, all my fault, all my fault”with a smile.
海萍常挂在嘴上的一句话就是：“都怪你。” 对这话，苏淳已经习惯了，每次都笑着回答：“好，怪我，怪我。”
Russia supplied technical help to upgrade “Varyag” and its air component, which may be the navalized Russian SU-33 or a variant.
俄罗斯为“瓦良格”的升级提供了技术支持，并为其提供了空中力量组成部分，有可能是海军化了的苏SU-33或其改装版。
Then he launched into an emotional recitation of a poem by Su Dongpo from the Song Dynasty.
然后，他开始背诵苏东坡的一段诗歌。
Speaking to the media at the NUH in the evening, Dr Su said Professor Chan might be discharged in a few days.
苏校长在晚上南大医院对媒体说马教授可能会离开几天。
“Lu Su can’t have seen Sun Quan in so short a time, ” Kongming said. “He probably went to Chaisang, and he and Zhou Yu have worked some trick to lure us.
孔明曰："鲁肃必不曾见吴侯，只到柴桑和周瑜商量了甚计策，来诱我耳。
The su style of mooncakes are sweet with a thin, delicate layered crust.
苏式月饼味甜、皮薄而多层。
The Sukhoi Su-35 is a single-seat, twin-engined supermaneuverability multirole fighter.
苏霍伊苏-35是一种单座、双引擎的多用途超级战斗机。
A question that often crops up in forums is how to disable su to certain users.
论坛上常常出现的一个问题是，如何对某些用户禁用su。
The default user is knoppix, but I found that I could su without any password — probably a compromise between security and user-friendliness.
默认的用户是knoppix，但是我发现不需要密码就可以执行su——可能是安全与用户友好性的折衷吧。
Dr Su said Widjaja was a "very good student" whose grades had slipped recently, but he was still considered above average.
苏校长说Widjaja是一名非常优秀的学生，近期学习成绩有所下滑，但仍然在中等偏上。
Now if user delta, who is not a member of the restricted group sun, attempts to su to user Charlie and knows the password, the authentication will succeed.
现在，如果用户delta(他不是受限制的组sun的成员)尝试通过su变成用户charlie而且他知道密码，那么身份验证会成功。
If you do not care about any user su-ing to a particular user, these can then be excluded.
如果不关心任何用户是否通过su变成另一个用户，那么可以排除这些事件。
Then type su - and enter the root password to open a root shell.
然后键入su-并输入根用户密码以打开根用户shell。
Prof. Su Derong, Beijing Forestry University, said, Golf courses need irrigation seven to eight months a year.
北京林业大学的SuDerong教授表示，高尔夫球场一年需要灌溉7到8个月。
As no one belongs to the group none, and it is to be used as a sugroup, no normal user can su to the account of user brown.
因为没有任何用户属于组none，而这个组作为sugroups，所以所有普通用户都无法通过su变成用户brown。
As no one belongs to the group none, and it is to be used as a sugroup, no normal user can su to the account of user brown.
因为没有任何用户属于组none，而这个组作为sugroups，所以所有普通用户都无法通过su变成用户brown。
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