Three other types of airspace, Classes D, C and B, govern the vicinity of airports.
其他三种领空，D、C和B类，管理着机场周围地区。
设x为a加b之和。
If a = b and b = c it follows that a = c.
设a =b，b =c，则a = c。
This is true as the above derivation for a and b of opposite parity is an if and only if statement.
这是正确的，因为上面对a和b 的奇偶性的推导是一个当且仅当命题。
It was also found to have sterol compounds like stigmasterol, campesterol and b-sitosterol.
还发现它含有甾醇，例如豆甾醇，菜油甾醇和 β-谷甾醇。
The constant a represents the vertical intercept, and b represents the slope of the consumption schedule.
常数a表示垂直截距，b表示消费计划的斜率。
比方说，我们将A和B混合。
It depends what I do with a and b.
这取决于我对于a和b做了什么。
And this will cause a and B to mix.
这将导致A和B混合。
The spectrum of a and b look correct.
a和b的频谱看起来是正确的。
So this is the total pressure of a and B.
这是A和B的总压强。
我们有A和。
B and so now we can solve this for a and b.
现在我们可以解出a和。
How do we minimize this function of a and b?
我们怎么最小化这个函数？
还有B - 2轰炸机。
Perhaps a is standing still, and B is moving.
也许A仍在原地不动而是B在移动。
B the question really is find the "Best" a and b.
我们要求的是找到最好的一组a和。
Let me go over this again. This is a function of a and b.
我们再来过一遍，这是一个关于a和b的函数。
Type C influenza cases occur much less frequently than A and B.
与甲型和乙型流感病例相比，丙型流感病例发生较少。
The feed results are shown in widgets A and B in Figure 1 below.
结果如图 1中的工具 A和B所示。
The difference lies in what happens when we measure both a and b.
区别在于我们对a和b都进行测量时所发生的事。
Good luck finding a man who is both a available and b willing to try.
找到一个会跳且愿意与你共舞的男人是多不容易啊。
A two-person project, persons a and B, has only one communication link.
一个两人项目，A和B，只有一个沟通连接。
B We're going to have a molar fraction in the liquid phase for a and B.
考虑A和，在液态以一定的摩尔分数混合。
Let's call the potatoes a and B. Connect a and B to the clock like this.
让我们叫它们土豆a和土豆b。
There's going to be a deviation because of the interactions between A and B.
这里压强将会有偏移,因为A和B的相互作用。
Peanuts are a good source of vitamin E and B and can be enjoyed all the time.
花生是维他命E和B的一个丰富来源，而且可以随时享用，绝对是健康的零食首选。
Consider an example with two users, a and b, who are running jobs on a machine.
考虑一个两用户示例，用户A和用户B在一台机器上运行作业。
Now suppose that two devices, which we'll call a and B, want to do a handshake.
现在我们设想两台设备a和B想要建立连接。
Now suppose that two devices, which we'll call a and B, want to do a handshake.
现在我们设想两台设备a和B想要建立连接。
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