1.(=penny)
2.【化】(=dysprosium)
1.(=penny)
2.[Chemistry](=dysprosium)
1.And, for that, we'll have to figure out a way to slice this region nicely. We could do it dx dy.
为了计算二重积分，我们必须想出一个办法，来适当地划分这个区域，我们可以按dx，dy来划分。
2.So, those are actually a piece of cake in comparison, OK, because all that this is, is just integral of P dx Q dy R dz.
与曲面积分相比，这真的是小菜一碟，因为所有的这些线积分，只需要做Pdx+Qdy+Rdz的积分。
3.My dog was a very pleasant and loving companion to me, for no less than sixteen years of my time, and then DY'd, of mere old age.
我的狗也讨我欢喜，是个可爱的伴侣，跟我不下十六年，后来终于老死了。
4.If you end up with a dx, dy, dz in the surface integral, something is seriously wrong.
如果在这个曲面积分中是以dx，dy，dz结尾的，则表明出现了很大的问题。
5.One night several weeks later, John and his wife were woken up by the cry "Da-dy" .
几个星期后的一个晚上，约翰和妻子半夜被“爸爸”的哭喊声吵醒了。
6.The vibration of airplane alert: dy past, lower height, fly off from become the bank of clouds of slice.
飞机的震荡已经过去，降低高度，从成片的云层中飞离出来。
7.We said the line integral of F dot n ds is actually the line integral of - Q dx P dy.
我们讲过，F•nds的线积分，实际上就是-Qdx+Pdy的线积分。
8.The moment I stepped into the shabby classroom, I was touched dy the loud, respectful voices in unison: "Good morning, teacher! "
当我踏进那间破旧的教室，我被一阵充满敬意，整齐的喊声深深打动了。“老师，早上好！”
9.Hakuhodo becomes fully owned subsidiary of Hakuhodo DY Holdings Inc. Through a share transfer arrangement .
通过股份转让协议，集团公司的子公司。
10.This technique can be used to separate the industrial waste water containing dispersing dy. . .
并对印染厂分散深兰染料工业废水进行了分离。