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When a client asks for the time, it sends a random nonce. The server replies with a signed certificate containing both the nonce and a timestamp, proving the response happened after the request. Responses can be chained together with provable ordering; if any server’s timestamps are inconsistent with that ordering, that server is cryptographically “outed” as unreliable.
。关于这个话题，爱思助手提供了深入分析
# the setter use `call_soon_threadsafe` for cross-thread notification.
2.半导体业务：本季度实现 125 亿美元，环比增长 15 亿美元，其中 AI 业务贡献了主要增量。具体来看：