Num is already in register 3, so you just need to decrement it.

num已经在寄存器3中，所以只需递减它即可。

youdao

All PowerPC programs start off with a pointer to this stack in register 1.

所有的PowerPC程序都需要由一个指向寄存器1中的这个堆栈的指针启动。

youdao

What you want to do with this value in register 3 is to calculate the factorial of it.

在寄存器3中想要做的是计算此值的阶乘。

youdao

Farmers register at businesses taking part in the program and receive a policy number through their mobile phone.

VOA: special.2010.05.11

But in this case it's a response produced in the negative register similar to the responses produced in the saloon.

在这次让人讨厌的举动中,理查表现得与在酒吧里一样。

耶鲁公开课 - 1945年后的美国小说课程节选

So Roth imagines lived life as fictional in the same register as a novel, in the same register as an autobiography.

所以罗斯想像过的生活就像小说中记录的那样，一如自传所述。

耶鲁公开课 - 1945年后的美国小说课程节选

"Because we're having an opt-in register running as well as opt-out this creates confusion in public mind, " he said.

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Once a federal tax lien arises, the IRS will record notice of it against the responsible person in the register of deeds' office in the responsible person's county of residence.

FORBES: Expert View

It will also give the Keeper of the Registers authority and flexibility as to the form of the land register, in particular it allows the land register to be in electronic form.

BBC: Land Registration Bill debate