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【简答题】
TTL 与非门的关门电平为 0.8V ,开门电平为 2V ,当其输入低电平为 0.3V ,高电平为 3.4V 时,其输入低电平噪声容限 U NL = ;输入高电平噪声容限为 U NH = 。
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劳宫
B.
后溪
C.
少府
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合谷
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在幽静的茶馆中衣着华丽,穿高跟鞋
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【单选题】简便取穴法中，仰掌屈向掌心横纹，当小指指尖下凹陷处取穴的是：()
A.
劳宫
B.
少府
C.
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D.
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【多选题】日常生活中不符合茶道礼仪的行为有( )
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在幽静的茶馆中衣着华丽，穿带响高跟鞋，洒浓烈的香水。
B.
奉茶时用手直接拿杯口
C.
用手抓茶取茶
D.
接受别人敬茶时行叩手礼
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【单选题】简便取穴法中,仰掌屈向掌心横纹,当小指指尖下凹陷处取穴的是:
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劳宫
B.
后溪
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【单选题】简便取穴法中,仰掌屈向掌心横纹,当小指指尖下凹陷处取穴的是:
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C.
少府
D.
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查看完整题目与答案
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查看完整题目与答案