下面检索式哪个表达是正确的？
A: bay NEAR/6 (ship* AND channel AND fish)
B: B bay PRE/6 (ship* OR channel OR fish)
C: C (bay and fish) W/6 ship*
D: D bay PRE/6 (ship* OR (channel AND fish))
A: bay NEAR/6 (ship* AND channel AND fish)
B: B bay PRE/6 (ship* OR channel OR fish)
C: C (bay and fish) W/6 ship*
D: D bay PRE/6 (ship* OR (channel AND fish))
举一反三
- 下面的检索式书写正确的是？ A: A subjterm(1202 or 3304) B: B bay and not fish C: C information w / 2 insturction D: D "play learn*" E: E #1and#3
- 下列哪个单词的划线部分发[ʒ]的音? A: vision B: ship C: sure D: fish
- VHF Channel 70 can be used for ( ). A: distress and safety purposes B: public correspondence purposes C: ship to ship distress alert D: A, B and C are all correct
- Where can you see the original and natural landscape in Hainan by high speed train. （ ） A: Qizi Bay B: Shimei Bay C: Yalong Bay D: Boao
- H3C无线控制器中将AP1的radio 1信道配置为6的正确操作步骤是（ ） A: [H3C] wlan ap ap1 , [H3C-wlan-ap-ap1] radio 1 , [H3C-wlan-ap-ap1-radio-1] channel 6 B: [H3C]wlan ap ap1 , [H3C-wlan-ap-ap1]radio 1 channel 6 C: [H3C] wlan ap ap1 radio 1 channel 6 D: [H3C] wlan ap ap1 radio 1 , [H3C-wlan-ap-ap1-radio-1] channel 6