To fill in gaps left by conventional seismic instruments, some researchers have proposed exploiting sensors inside laptop computers to allow them to serve as distributed P-wave sensors.

为了填补常规地震仪留下的空白，一些研究人员建议开发膝上型计算机里面的传感器，把它们用作分布式P-波传感器。

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What leads should be utilized to analyze P wave information?

分析P波信息时应该使用哪个导联？

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Caused by the earthquake ground vibration is a complex exercise, it is by the P-wave and S-wave interaction results.

地震所引起的地面振动是一种复杂的运动，它是由纵波和横波共同作用的结果。

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And the significant difference between s orbitals and p orbitals that comes from the fact that we do have angular momentum here in these p orbitals, is that p orbital wave functions do, in fact, have theta and phi dependence.

轨道和ｐ轨道的,不同之处在于,在ｐ轨道，波函数，随theta和phi变化。

麻省理工公开课 - 化学原理课程节选

So they're the same shape, this is the shape of the orbital or the shape of the wave function, and we can call this either 2 p x a being combined with 2 p x b, or we could say since it's the same shape, it's 2 p y a being combined with 2 p y b.

它们形状是一样的，这是轨道的形状或者波函数的形状，我们叫它2pxa和2pxb结合，或者我们说因为它们的形状是一样的，它是2pya和2pyb结合。

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pxa So what happens when we add a 2 p a and we subtract from it a 2 p x b, or the same with a 2 p y a subtracting a 2 p y b, is that we're actually going to cancel out the wave function in the center, so we now have 2 nodal planes.

当我们用,减去2pxb时，或者是2pya减去2pyb时，我们会消去,中间的波函数，所以现在我们有两个节面。

麻省理工公开课 - 化学原理课程节选

Most are pulling 12-hour (7 a.m. to 7 p.m.) shifts during a record-setting heat wave.

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