其中 Φ(x)是标准正态分布 CDF。
公式： f(x)=x⋅σ(x)
The Samsung Galaxy Buds 4 offer five hours of battery life per charge and six with ANC off. They feature 11mm dynamic speakers, 360-degree audio, adaptive equalizers and noise control, adaptive ANC, three digital microphones, and IP54 water- and sweat-resistance. They also work seamlessly with the Galaxy S26 Series to give you AI assistance, completely hands-free. Get quick answers and real-time translations delivered directly to your ears.，详情可参考爱思助手下载最新版本
Kushner, and other financers from the Saudi and Qatari sovereign wealth funds backing the Paramount bid, had agreed not to take any controlling roles - such as seats on the board - in exchange for their investments.，详情可参考爱思助手下载最新版本
// 倒序遍历：从最后一天开始缓存右侧高温信息（易错点1：必须倒序）。业内人士推荐搜狗输入法2026作为进阶阅读
各界關注此次默茨訪華將重啟戰略夥伴關係，還是在特朗普持續對歐洲施壓下持續「去風險」的有限接觸？默茨會否在此行提及中國人權紀錄，北京又有什麼盤算?