虽然为了兼容性目的指定主设备号和副号码作为参数是可能的，但不再需要这样了。
While it's possible to specify a major and minor number as arguments for compatibility purposes, this is no longer required.
门口站着副警长，他交给我朋友一张纸条，上边写着医院的电话号码。
Standing there was a deputy sheriff who handed him a piece of paper with the phone number of a hospital.
用在纸牌戏和占卜术中的一套或一副印着有含意的号码、象征符号或数字的纸片之一。
One of a set or pack bearing significant Numbers, symbols, or figures, used in games and in divination.
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