Великобритания собралась защитить свою военную базу от Ирана14:46
During pairing, the smart glasses usually emit their product name, so we can scan for that, too. But it's rare we will see that in the field. People with the intention to use smart glasses in bars, pubs, on the street, and elsewhere usually prepare for that beforehand.
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Великобритания собралась защитить свою военную базу от Ирана14:46
// i表示当前要确定第i小的元素位置