电路内附反符合控制输入和门信号放大器，可实现对多道分析器的堆积拒绝和反符合控制。

Appending a veto control and a gate signal amplifier in the circuit, MCA can be operated in both pile-up rejection mode and anticoincidence mode.

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And because of the way those antibonding orbitals are stacked, the two electrons go one each into those antibonding.

因为这样,反键轨道被堆积了，这两个电子都填到各自的反键轨道。

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