Note: This id is not officially documented because it is considered internal and subject to change without further notice.
注意:这个ID没有正式的文档记载,因为它是内部的,可能改变而无须通知。
And so, in fact, the version that I commented out which is also in your handout and I'm now going to uncomment, let's get that one out, get rid of this one — notice the only change.
所以事实上,我之前注释掉的版本,你们的讲义上也有,我打算把注释去掉,我们把他拿出来,把这个丢到一旁,注意下唯一的改变。
You can expect a change in this behavior around age 3, when children begin to notice and take an interest in their peers.
大约在三岁时,这种行为会改变,他们开始对同辈注意、并感兴趣。
I want to show you how easy it is to change the code. But, notice, once I've added this I actually have a problem. This is now an under-constrained problem. I have more unknowns than I have equations.
我加上这个条件后,我马上面临一个问题了,这就是现在是一个非约束性问题了,我的未知数比方程数多,你从代数中可以知道。
And so, in fact, the version that I commented out which is also in your handout and I'm now going to uncomment, let's get that one out, get rid of this one-- notice the only change.
所以事实上,我之前注释掉的版本,你们的讲义上也有,我打算把注释去掉,我们把他拿出来,把这个丢到一旁,注意下唯一的改变。
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