R;Yes,I am sure I did.I use my birth date as my secret number .It's easy to remember it that way .

是的，我确信这一点。 我使用我的出生日期作为我的密码，这样做，很容易记住。

youdao

A But I tend to use P Q R for sentences and A for A, now that I have explained it, that should be smaller case.

但是我喜欢用P，Q，R来代表句子，A就代表，我已经解释了，应该是小写的。

youdao

r No matter which direction I go from the origin, r=a if I fixed it,r goes from zero to r equals a.

,无论从原点沿着哪个方向走，只要固定方向，r就是从0开始到。

youdao

The American Food and Drug Administration says R.F.I.D.tags act like an electronic safety net to make it easier to catch counterfeits.

VOA: special.2010.03.01

P dV is equal to R dT. pV = RT for 1 mole, pdV=RdT so I just take dV here.

对等压过程，那么。

麻省理工公开课 - 热力学与动力学课程节选

He urged revival of the slave-trade in the late 1850s, and he developed a theory of what he called warranteeism--w-a-r-r-a-n-t-e-e-I-s-m.

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Croesawodd yr holl bleidiau'r cynllun i adfer democratiaeth i'r ynys, a derbyn bod rhaid i'r gweinidog ymyrryd pan y gwnaeth ym mis Mawrth 2011.

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