destructive interference

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This situation is called destructive interference .
这种情形称作相消干涉。
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In this case is it constructive or destructive interference?
在这种情况是相长干涉还是相消干涉？
In that case the waves cancel each other and are said to be "out of phase. " That situation is called destructive interference.
在这种情形下，波就互相抵消被称为“异相”，这种状况叫做相消干涉。
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Just like we see destructive interference with water waves or with light waves, we can also see destructive interference with orbitals.
就像我们看到水波,和光波的相消干涉，我们也可以看到轨道的相消干涉。
麻省理工公开课 - 化学原理课程节选
Since we're talking about wave functions, since we're talking about the properties of waves, we don't only have constructive interference, we can also imagine a case where we would have destructive interference.
因为我们讨论的是波函数，因为我们讨论的是波的性质，我们不仅有相长干涉，我们也可以想象在,某种情况下会有相消干涉。
麻省理工公开课 - 化学原理课程节选
So we want to have constructive interference to form a bond, where as if we had destructive interference, we would not be forming a bond.
我们需要,相干相长来成键，如果，相干相消了，就不能成键，所以这时候。
麻省理工公开课 - 化学原理课程节选

the interference produced when two or more waves are not in phase and create a wave that is weaker then either of them