And so the net, the sum of all forces on that object there is no net force on that wheel but there is a net torque, and that's why it's going to precess.
所以综合,物体受的所有力,车轮不会受到净力,但是有一个,净作用力,那就是我要推进的。
Confusingly, the ODA presents its spending on a net basis, and the final tally will depend on the future of the property market.
令人疑惑的是,ODA提供的是开支净额,而最终开支账目得看房产市场预期。
The same risk that applies in the physical world with regard to use of credit CARDS over the phone applies to systems relying on credit card Numbers for authentication on the Net.
在现实世界中通过电话使用信用卡的风险同样适用于网络上依赖信用卡号进行认证的系统。
The proposal was a surprise because the two companies have been on opposite sides of the debate over net neutrality.
VOA: special.2010.08.20
They're both expansions. They'll both have net work done on the surroundings, but not the same amount, right.
是不同的,他们都是膨胀,都对外做功,但数量不同,对吧?
So if we add them all up, there should be no net charge on the molecule, if the molecule is neutral.
因此如果我们把它们都加起来,这个分子上应该没有净电荷,如果这个分子是中性的话。
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