You can inadvertently render a directory unusable if you remove its execute bits, say with chmod -R a-x.
如果删除了目录的执行位，比如chmod -R a-x，您可能会使得一个目录变得不可使用。 为了更具选择性，可以使用 find .
The Virtual Classroom makes these tests more efficient, Rizzo says. In one experiment, he gave a group of kids the classic "A-X" test.
虚拟教室让这些测试变得更有效率，Rizzo说，在一项试验中，他给一组孩子们做经典的“A-X”测试。
设x为a加b之和。
A clerk had slipped the wrong tab on Tony's X-ray.
一位职员失手把一个错误的标签贴到了托尼的X光片上。
The boss is conveying a negative impression of Mr. X without actually saying negative about him.
老板给X先生留下了不好的印象，却没有说他不好。
After three days without a winner, he X-rayed his sneaker out of boredom.
在三天没有赢家的情况下，他无聊地用X光照起了自己的运动鞋。
He should see a dentist and get an X-ray.
他应该去看牙医并进行X光检查。
They had been using a relatively new technology called X-ray spectroscopy, and they were using this to examine an ore sample.
他们使用了一种相对较新的X 光技术来检测矿石样品。
In Lavie's game, people watch as the letters N and X appear and disappear in a certain area on the computer screen.
在拉维的游戏中，人们看着字母N和X 在电脑屏幕的某个区域出现和消失。
Apple said in a press release that it plans to preview new features and APIs for its next-generation operating systems iPhone 3.0 and Mac OS X Snow Leopard.
苹果公司在一份新闻稿中表示，它计划为下一代操作系统iPhone 3.0和MacOSXSnow Leopard预览新功能和APIs 。
We could only get a good look at the structure of the gears after gamma-rays were used to see inside, very similar to the way X-rays are used to see your bones.
我们只有在用伽玛射线观察内部之后才能很好地了解齿轮的结构，这和用X 射线看你的骨头非常相似。
X-ray examination of a recently discovered painting—judged by some authorities to be a self-portrait by Vincent van Gogh—revealed an under image of a woman's face.
对最近发现的一幅画作被一些权威人士判定为文森特·凡高的自画像，对其进行的X 光检查揭示了一个女人脸部的底层图像。
Therefore, it is a waste of money to order follow-up x-rays of ankle fracture initially judged stable.
因此，对初步判定稳定的踝关节骨折进行随访X 光检查是一种浪费金钱的做法。
The item was in his carry-on during X-ray screening at a security checkpoint at the airport, an FBI spokesman said in a statement.
美国联邦调查局发言人在一份声明中说，在机场安检处进行X 光安检时，该可疑物品就在他随身携带的行李中。
X-ray examination of thin slabs of rock sometimes reveals the ghostly outlines of tentacles, digestive tracts, and visual organs of a variety of marine creatures.
对岩石薄片的X 射线检查有时会发现可怕的触角轮廓、消化道和很多种海洋生物的视觉器官。
A good idea or product, such as a cheaper X-ray machine or better wind turbine, can be plugged into a global system of sales and manufacturing.
一个好的理念或产品，比如更廉价X 光机或更优质的风力涡轮机，都可以纳入全球范围的销售和制造体系中。
The 4G mission is set to launch from Cape Canaveral in the United States on a space X Falcon 9 rocket in 2019.
4G任务将于2019年从美国卡纳维拉尔角发射，搭载的是spaceX猎鹰9号火箭。
There was not a question but only a small black "X" in the middle of the paper.
试卷上没有问题，只是在中间部分有一个黑色的小 “X”。
In one of its rooms, you can also have a chance to know how X-rays let you see inside your body.
在其中一个房间里，你还可以有机会了解 X 光是如何让你看到身体内部的。
You're witnessing the birth of a third major computer platform: Windows, Mac OS X, and iPhone.
你正在见证第三大计算机平台的诞生：Windows 、MacOSX和 iPhone 。
A wind farm proposed for one of the two counties should be built in County Y rather than in County X.
在两者进行选择时，应该在Y县而不是 X县建立风电场。
Suppose the width of a rectangle is x metres.
设长方形的宽是x米。
A negative face has an outward normal pointing in a direction opposite that of the positive x-axis.
负向的外法线指向与正x轴相反的方向。
Syringa x hyacinthiflora is a cross between Syringa oblata and S. vulgaris.
紫丁香是扁形紫丁香和普通紫丁香的杂交品种。
Domino can be a X.509 Certificate Authority (ca).
Domino可以作为X . 509 CertificateAuthority(证书权威，ca)。
Table 1 shows a set of sample results between a client built with a toolkit "X" and a variety of servers.
表1显示了用工具包“X”建立的客户机与各种服务器之间的一系列样本测试结果。
A red X to indicate a declined reservation request.
一个红色的X，指示一个被拒绝的预订请求。
And the symbols are only letters. So a of X says that X is a man.
符号仅仅是字母，所以X的A说，X是一个人。
To make the evaluated code stand out, set a "x USES the value of the PS4 variable and prepends it to every line of code displayed."
为了突出显示执行的代码，set—x把PS 4变量的值加在显示的每行代码前面。
This maybe a -x + 2y and maybe a -z... oh, let me make that a -1.
x +2y -z，哦，让我使它为-1。
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