闪灯同步 meaning in English

flash synchronization

Fill - flash , red - eye reduction , rear flash sync , wireless remote flash built - in flash range ( approx . )
闪灯补光、减轻红眼现象、后帘幕闪灯同步、无线遥控闪灯
With shutter speeds faster than 1300 sec . , camera will automatically switch to hss mode ( only with program flash 5600hs ( d ) 3600hs ( d ) )
当快门速度快过1300秒时，相机会自动切换至高速闪灯同步( hss )功能(此功能只可配合programflash5600hs ( d )及3600hs ( d )使用)