In the middle of the 1990's, the computer Deep Blue II built by IBM defeated Gary Kasparov, who was the World Chess Champion at the time.
1990年代中期，由ibm建造的深蓝ii (Deep Blue II)击败了当时的世界国际象棋冠军加里·卡斯帕罗夫。
Cobalt (II) chloride is deep blue when dry (anhydrous) and pink when moist (hydrated).
钴(II)氯化物在无水状态时呈深蓝色时，吸湿后呈粉红色。
Cobalt (II) chloride is deep blue when dry (anhydrous) and pink when moist (hydrated).
钴(II)氯化物在无水状态时呈深蓝色时，吸湿后呈粉红色。
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