分前后两列站立。
对于相同的对象，前后两次调用可能产生不同的结果。
Call it twice with the same objects and you may get different answers.
英语的姓名在字母表的前后两半部分的分布相当平均。
English names are fairly evenly spread between the halves of the alphabet.
分析简化前后两模型，从而得出偏航导引的补偿效果。
From the analysis of the two models, a conclusion about the yaw steering's compensation effect is drawn.
由于数据量比较小，前后两个查询在执行时间上测量不到明显的差别。
Due to the rather small amount of data no significant differences in the execution time could be measured.
假如你的头发在前后两次洗头中间这段时间又脏又油的话，养成一个更勤洗头的习惯。
If your hair is dirty and greasy between times when you wash it, make it a habit to wash it more often.
这样看来，至少在最近的失业情况的数量级上，前后两项调查得出了大致相同的结论。
So there seems to be a rough agreement on at least the order of magnitude of recent job losses.
在前后两部分之间，请来试听并且想离开的同学在那时候离开，如果你能尽量等到那个时候。
In between those two parts I will ask that anyone who is shopping the class and would like to leave at that time do so then.
前后两端分别配置有摄像头，背面的摄像头用于拍摄高清影片和照片，前端的色相头用于视频会话。
There are the front and rear cameras —the rear for shooting videos and photos, the front for FaceTime video conferencing.
每个单用机器人在前后两端都各有一个照相机、一个进行水下扫描的声纳和一个用来寻找下水管道锈蚀的激光器。
Each Solo carries a camera at either end, sonar to scan below the water, and lasers to search sewer walls for acid corrosion.
堕胎主导着她的生活，并将其烙为前后两截，它们彼此之间的鸿沟是如此巨大，很难相信它们曾先后存在于同一个人的身体里。
Abortion has come to dominate her life, carving it into two blocks that are so wildly at odds with each other that it is hard to imagine them being squeezed into the same human frame.
于股骨内髁PCL附着点处分别钻取前后两隧道，与胫后内外两隧道引出的重建韧带形成交叉，游离端使用可吸收螺钉固定。
Drill two tunnels at the PCL attachment point inside the thighbone, intersecting with the reconstructed 1igament from the two tunnels behind the shank, fixing the free end using the absorb bolt.
这座与众不同的建筑还有者前后两个非同寻常的外表：一个看起来像是像是由一堆波动的砖块镶嵌而成的；另一个则天马行空，它是由凸出的玻璃砖块构成的，像极了童话世界中的“仙境”。
The structure will have two unique facades, one composed of undulating brick, and the other will feature angled sheets of glass.
通常你前后分别有两个口袋。
Usually you have two pockets in front and two pockets in back.
这种认识发生在他们两岁生日前后。
虽然这两者似乎并没有关联，但这两者加起来就说明了网络冲突的前后形势。
While seemingly unconnected, the stories together speak to the before and after of what cyber conflict may look like.
四个卫兵两前后阔步护卫着他。
Two guards marched in front of him,and two guards marched behind him.
美国宇航局的Terra卫星上的高级星载热发射和反射辐射仪(ASTER)分别于海啸前后拍摄到的上面两张伪色图像。
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite captured these false-color images before and after the tsunami.
去年12月，美国北卡罗来纳州的罗利市将一处室内公共停车场当作LED的试验场地（下面两张照片是前后对比效果）。
Last December Raleigh, N.C., turned one floor of a municipal parking garage into a testing ground for LEDs (see the before-and-after photos at cree.com/LEDcity).
该插件还列出发生错误的文件和行（而错误可能不止一行或两行，因此还请务必查阅问题前后的那些行）。
The plug-in also lists the file and line where the error occurred (though it might be off by a line or two, so make sure to review the lines before and after the problem as well).
研究者测量了该研究参与者看这两个视频剪辑之一的前后心情。
Researchers gauged study participants' mood before and after showing them one of two video clips.
弦乐器的演奏者练习的则是在左手的手指上下滑动的同时，用右手前后拉动琴弓——两个截然不同的动作。
String players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm — two entirely different movements.
弦乐器的演奏者练习的则是在左手的手指上下滑动的同时，用右手前后拉动琴弓——两个截然不同的动作。
String players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm-two entirely different movements.
他前后保持一致的是对所有问题都两边讨好"当我在（佛罗里达）奥兰多采访到麦凯恩时，他微笑着这样说。
"He has made a consistent point of taking both sides of every issue, " a smiling McCain told me when I caught up with him in Orlando.
背着背包的人和穿着米琪林绿色的导游倚靠着两边的墙壁，一纵排前后延伸。
People with backpacks and Michelin Green Guides hugged the walls on either side, parading single-file back and forth.
原本的小操作杆现在被类似手机的四向控制按钮取代了，而两侧边界上都有的翻页的前后按钮现在不会发出声音，照顾到你正在睡梦中的爱人。
The tiny joystick has been replaced by cellphone-like four-way control buttons, and the page-turn Forward and Back buttons, which flank both edges, are silent now, for the benefit of sleeping spouses.
原本的小操作杆现在被类似手机的四向控制按钮取代了，而两侧边界上都有的翻页的前后按钮现在不会发出声音，照顾到你正在睡梦中的爱人。
The tiny joystick has been replaced by cellphone-like four-way control buttons, and the page-turn Forward and Back buttons, which flank both edges, are silent now, for the benefit of sleeping spouses.
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