Is it zero, less than zero or more than zero?
是零，小于零，还是大于零呢？
It means du is less than zero.
这意味着du小于零。
In most cases it'll be less than zero.
在大多数情况下它会小于零。
And this number is always less than zero.
这个数总小于0。
So we could write that criterion as dH less than zero.
我们可以认为dH小于零即为我们的判据。
The results show that the effective exchange integral values are less than zero under different conformations, so the radicals display the anti-ferromagnetic coupling.
结果表明，不同构象下各体系有效交换积分值都小于零，自由基间表现为反铁磁性耦合。
You can also use indices less than zero, which then count backward from the end of the list. So the final statement of the previous example could also be written like so.
您还可以使用小于0的索引，这些索引从列表的末尾往前算。
In the present implementation at least, if this sum is less than zero, the net sets the node to -1, and if it is greater than or equal to zero, the net sets the node to + 1.
至少在当前的实现中，如果这个和小于0，网络就将节点设置为-1，如果它大于或等于0，则网络将节点的值设置为+ 1。
少于零？
少于零？
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