1 - 1 |
 单套，或带有套的双套型，或某低花单缺的三套型 |
| 开叫者1接力： |
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1NT |
+双套，或某低花单缺的三套型 |
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开叫者2接力： |
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2 |
低花单缺的三套型 |
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开叫者2接力： |
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2 |
特殊序列，预留给应叫者的半坚固单套牌，细节见第十二章 |
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2NT |
单缺的三套型，开叫者3接力询问
3 = 4-4-1-4
3 = 4-4-0-5
3 = 4-5-0-4
3NT = 5-4-0-4 |
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3 |
某低花单张大牌（A/K/Q）的4441型 |
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3 |
4-4-4-1 |
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3 |
4-4-5-0 |
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3 |
4-5-4-0 |
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3NT |
5-4-4-0 |
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2 |
4和5+的短双套逆叫型 |
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开叫者2接力： |
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2NT |
为唯一短套，开叫者3接力询问
3 = 4-5-1-3
3 = 4-6-1-2
3 = 4-6-0-3
3NT = 4-7-0-2 |
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3 |
4-5-2-2或4-7-1-1 |
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3 |
4-5-3-1 |
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3 |
4-6-2-1 |
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3 |
4-6-3-0 |
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3NT |
4-7-2-0 |
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2 |
5+和5+的长双套型 |
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开叫者2NT接力： |
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3 |
为唯一短套，开叫者3接力询问
3 = 5-5-1-2
3 = 5-5-0-3
3NT = 5-6-0-2
4 = 6-5-0-2 |
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3 |
5-6-1-1或6-5-1-1，开叫者3接力询问 |
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3 |
5-5-2-1 |
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3 |
5-5-3-0 |
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3NT |
5-6-2-0 |
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4 |
6-5-2-0 |
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2NT |
5+和4的短双套非逆叫型，为唯一短套，开叫者3接力询问
3 = 5-4-1-3
3 = 6-4-1-2
3 = 6-4-0-3
3NT = 7-4-0-2 |
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3 |
5-4-2-2或7-4-1-1 |
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3 |
5-4-3-1 |
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3 |
6-4-2-1 |
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3 |
6-4-3-0 |
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3NT |
7-4-2-0 |
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2 |
+双套 |
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开叫者2接力： |
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2 |
4和5+的短双套逆叫型 |
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2 |
5+和5+的长双套型 |
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2NT或更高的叫品 |
5+和4的短双套非逆叫型 |
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2 |
+双套，非逆叫型 |
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开叫者2接力： |
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2 |
5+和5+的长双套型 |
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2NT或更高的叫品 |
5+和4的短双套非逆叫型 |
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2 |
4和5+的短双套逆叫型 |
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2 |
5+的单套型，为唯一短套；或6322牌型，双张 |
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开叫者2NT接力： |
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3 |
6-2-2-3或6-2-3-2 |
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3 |
5-2-3-3 |
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3 |
6-1-3-3 |
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3 |
7-1-2-3 |
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3NT |
7-1-3-2 |
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4 |
7-0-3-3 |
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2NT |
5+的单套型，为唯一短套 |
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开叫者3接力： |
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3 |
5-3-2-3 |
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3 |
6-3-1-3 |
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3 |
7-2-1-3 |
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3NT |
7-3-1-2 |
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4 |
7-3-0-3 |
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3 |
6322牌型，3张；或7222牌型 |
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开叫者3接力： |
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3 |
6-3-2-2 |
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3 |
7-2-2-2 |
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3 |
5-3-3-2 |
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3 |
6-3-3-1 |
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3 |
7-2-3-1 |
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3NT |
7-3-2-1 |
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4 |
7-3-3-0 |
| 1 - 1 |
单套，或+低花的双套型 |
| 开叫者1NT接力： |
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2 |
套，后续同1-1；1-2 |
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2 |
套，非逆叫型，后续同1-1；1-2 |
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2 |
套，逆叫型，后续同1-1；1-2 |
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2及更高的叫品 |
5+单套型，后续同1-1；1-2及更高的叫品 |
| 1 - 1NT |
单套，或低花双套，或某高花单缺的三套型 |
| 开叫者2接力： |
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2 |
5+，4+ |
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开叫者2接力： |
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2 |
长的低花双套，后续同1-1；1-1NT；2-2 |
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2NT及更高的叫品 |
短的低花双套，后续同1-1；1-1NT；2-2NT及更高的叫品 |
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2 |
某高花单缺的三套型，后续同1-1；1-1NT；2-2；2-2NT及更高的叫品 |
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2及更高的叫品 |
5+单套型，后续同1-1；1-2及更高的叫品 |
| 1 - 2 |
单套，或5+4 |
| 开叫者2接力： |
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2 |
5+4，后续同1-1；1-1NT；2-2NT及更高的叫品 |
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2及更高的叫品 |
5+单套型，后续同1-1；1-2及更高的叫品 |
| 1 - 2 |
均型，9-11或15+ |
| 开叫者2接力： |
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2 |
同色4-4双套；或4333牌型，某高花为4张 |
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开叫者2NT接力： |
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3 |
4333牌型，某高花为4张，开叫者3接力询问
3 = 3-4-3-3
3 = 4-3-3-3 |
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3 |
4-3-2-4 |
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3 |
4-2-3-4 |
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3 |
2-4-4-3 |
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3NT |
3-4-4-2 |
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2NT |
同级4-4双套 |
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开叫者3接力： |
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3 |
4-4-2-3 |
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3 |
3-2-4-4 |
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3 |
2-3-4-4 |
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3NT |
4-4-3-2 |
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3 |
4333牌型，某低花为4张，开叫者3接力询问
3 = 3-3-3-4
3 = 3-3-4-3 |
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3 |
3-4-2-4 |
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3 |
4-2-4-3 |
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3 |
2-4-3-4 |
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3NT |
4-3-4-2 |
| 1 - 2 |
特殊序列，预留给应叫者的坚固单套牌，细节见第十二章 |
| 1 - 2及更高的叫品 |
12-14均型，后续同1-2；2-2及更高的叫品 |