BACKGROUND:The nucleus tractus solitarius(NTS) is one of the keyrelay stations of various visceral primary afferent information.
背景：脑干孤束核是内脏痛信息向高位脑中枢传递的一个关键的中继站。
2
It is only when the correct voltages are applied to the A/C amplifier from the key inputs that the primary output (the A/C compressor relay) will be energised.
只有A/C扩大器上的电压是来自输入端的正确电压时，初级输出（即A/C压缩机继电器）才会被激活开启。
3
Introduction was made to the key test items and technical requirements of contactor type relay reliability research.