跟踪精度方面，截至2026年3月2日，半导体设备ETF易方达近1月跟踪误差为0.013%，在可比基金中跟踪精度较高。
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Samsung first teased its Digital Home Key feature in 2024 and said the feature would be available in 2025. That didn't pan out, as the CSA's Aliro standard - which will let users unlock smart locks with any phone - only arrived in February of this year. The new standard uses near-field communication (NFC) for its tap-to-unlock technology. It …，推荐阅读爱思助手下载最新版本获取更多信息
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