多数人

After the first four caliphs the community came under the authority of the Ummayads, who set up their capital in Damascus.

经过前四个caliphs社区受到的权威Ummayads ，谁建立了自己的资本在大马士革。

The gate of each fet is tied through a diode to the electronic switch control flipflop so the gate can be pulled to ground, which is -4.5V compared to the source.

门每个FET的联系，通过二极管的电子开关控制触发器这么门可以拉到地面，那就是4.5v相比源泉。