For each of them there are four choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
每题都有对应标记的A、B、C和D四个选项，请选择最佳选项并在答题卡2的相应字母中间划横线。
The highlighted line (ending with a "B" in Figure 7) shows the runtime information for the sample query in this article.
突出显示的行(图7中以“B”结尾)显示了本文中查询样例的运行时信息。
When you use the line tool in your favorite design software, with the default Settings, you get a perfectly straight line from point a to point B.
在你最喜欢的设计工具中使用直线工具时，只需要采用默认设置，你就能画出特定两点间的完美直线。
Without a first line of defense--innate immunity--mammals would succumb to pathogens still unrecognized by B and T cells.
失去一线防御——非特异性免疫——哺乳动物就只好屈服于那些尚未被B细胞和T细胞所识别的病原体了。
Appendix B. Command line and GUI support by feature.
附录B .按功能排列的命令行和GUI支持。
At the end of this line add acpi=off noapic, press return and B to start the boot process.
在此行末尾加上acpi=off noapic，按回车及B键进行启动。
From the menu, you may press e on an entry to edit it, c to switch to a GRUB command line, b to boot the system, p to enter a password, and Esc to return to the menu or to the previous step.
在菜单中的条目上按e 键将编辑条目，按c 键切换到GRUB命令行，按b键引导系统，按p键输入密码，按 Esc 键返回菜单或上一步。
OK, so the claim is if I have a line integral to compute, that it doesn't matter which path I take b as long as it goes from point a to point b.
也就是，如果我需要计算一个线积分，无论我取怎样的路径,只要路径是从点a到点。
Using a least-squared-error criterion to determine the line of best fit involves finding estimates of m and b that minimize the squared error of prediction.
使用最小方差法来确定最吻合的直线涉及寻找使预测方差最小的m和b的估计值。
The if statement on line #1 compares the values of variables a and b.
第 1行上的if 语句将比较变量a和b的值。
In fact, we are trying to solve for a and b that will give us b the nicest possible line for these points.
其实我们就是在试图找出那条最合适的直线,所对应的a和。
The other two, B and c, are created further down the line in an entangled state, and sent off in different directions.
另外两个分别是B和C，它们在另外一点以纠缠态被生成，并被以不同方向传送。
B： I hate waiting in line too, but there is always a line at this bank.
我也讨厌排队，但这家银行总是陫队。
There are many ways to travel from Point a to Point b, and invariably it's not in a straight line.
从一个地方到达另一个地方有很多路线，而且常常并不能直达。
Another option to watch out for is -b, which tells sort to ignore blank characters (Spaces, tabs, etc.) and treat the first non-blank character on the line as the start of the sort key.
另一个要关注的选项是- b，它告知sort忽略空白字符(空格、跳格等等)并将行中的第一个非空白字符当做是排序键的开始。
The section backend default specifies which server to connect to if no command-line option (-b hostname: port) is given.
如果不提供命令行选项(-bhostname：port)，则backenddefault部分将指定要连接的服务器。
The Command line field can contain many options; the example parameter, -B -S 10, compacts databases in-place that have greater than 10 percent white space.
Commandline域可以包含许多选项；例如参数-B-S10，表示当数据库有超过10%的空白时进行压缩。
B: Our associates specializing in these fields make some accessories. Well, here we're at the production shop. Shall we start from the assembly line?
有些零配件使我们的联营单位生产的，他们是专门从事这一行的。好了，我们到生产车间了。咱们从装配线开始看，好吗？
Yesterday I asked some questions through the hot line about buying, installing and using a digital B. P.
昨天我打热线询问了一些关于如何购买、安装、使用数字传呼机的问题。
A check valve should be installed on return piping if there will be a pressurized return line or the trap drains to an overhead return line (Fig. B).
如果存在一个压力回路，或者疏水阀排放口位于回路管道的上方，则应该安装一个止回阀(图b)。
Once they have come to this transversal footbridge, the choice of their direction, whether towards the platforms of line b, or towards the linking pathway to line a, is clearly before them.
人们一旦进入这个横向天桥，即面临要通往B线换乘平台或是通往A线的方向选择。
Early favorable results led the Metro to equip all trains on its Line B - the newest line, and the line with the greatest flange wear - with the Kelsan LCF system.
早期令人满意的测试结果促使地铁公司在其最新的B线，也是轮缘磨损最厉害的线路上，将所有列车都安装了凯尔森的LCF系统。
This article dealt with a brief introduction of cognitive differences on accelerated motions of the straight line between Chinese and Western scholars from the third century B.
简要介绍了从公元前四世纪到公元一世纪之间，中西方学者对物体直线加速运动的认识差异，并对产生这些差异的主要原因进行了探讨。
This article introduces the use and effect of air honeycomb regenerator at B shuttle of tunnel furnace 1810 product line of Tanggang steel company.
介绍了蜂窝体空气蓄热式燃烧技术在唐钢热轧薄板厂1810生产线辊底炉B线横移车上的应用和效果。
This article introduces the use and effect of air honeycomb regenerator at B shuttle of tunnel furnace 1810 product line of Tanggang steel company.
介绍了蜂窝体空气蓄热式燃烧技术在唐钢热轧薄板厂1810生产线辊底炉B线横移车上的应用和效果。
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