HSBC Shares Rise 4% on $3 Bln Buyback; Flat First-Half Profit...
HSBCHoldingspledgedtobuyback$3billioninsharesonWednesday,inafreshattempttoboostaflaggingstockprice,afterreportingstablefirst-halfprofitongrowthinwealthmanagementandnarrowinglossinChineserealestate.Europe'slargestbankalsosetoutanewgoalforits...
【科普营养】为什么总在“减肥”,却一直未成功?——也许是忽略了...
通过各种方法达到短期减重目标容易,但是80%的短期减重成功者在1年内体重会反弹,而这个比例在3年时高达95%。近期发表的一篇系统综述总结了持续控制体重的几大因素[2],而西希通过总结发现这些因素可以很好的用4大核心来概括——目标(Goal)、动力(Motivation)、监测(Monitor)和挑战(Challenge)。今天的推送,西希就来和...
U.S. Chip Policy Impotent
AndrewSheng,distinguishedfellowattheAsiaGlobalInstitute,UniversityofHongKong,toldtheSouthChinaMorningPostthattheU.S.chipwaronChinaweaponizesinterdependence,buttheoutcomeisfarfromcertain.Self-reliancemanufacturersharvestingandpromisingCuttingoffChina'sacc...
Bilibili Narrows Loss by 23% in Q2 and Reconfirms Breakeven...
Credit:VisualChinaBilibilisaiditsnetrevenueincreased8.1%year-over-year(YoY)toRMB5.3billion(US$731.5million)inthequarterendedJune30,missingtheanalysts’estimatedRMB5.43billion,andthenetlossthatquarternarrowed23%YoYtoRMB1.5billion,stillworsethanex...
托福听力之成语精选
11.gooff--begintoring12.cutdown--lessen;reduce;limit13eupwith--produce;supply14.makeit--(1)achieveaspecificgoal(2)succeedingeneral15.catchone'seye--attractone'sattention16.carefor--(1)like;value...
Under-23s sink to new goalless low
Toaddtotheignominy,Wednesday's1-0losstoIraninSongkhla,Thailand,meantChinahadfailedtoscoreasinglegoalatthetournamentasitfinishedbottomofGroupCandwaseliminated.ThescorelessperformancewasahistoriclowforaChineseunder-23team.Previoussquadsha...
无效进球 disallowed goal
EnglandcaptainStevenGerrardadmitsthedisallowedgoalinSunday’sRoundof16losstoGermanydideffecttheteambuthasnotuseditasanexcusefortheireventual4-1defeat.英格兰队队长史蒂文??杰拉德承认,在周日八分之一决赛负于德国队的比赛中,那个无效进球确实影响了球队发挥,但他并未...
South Africans proud of 'The Boys' despite World Cup loss...
Morethan1,000ardentfansgatheredforSouthAfrica'smatchagainstSpainatabigscreeninthecity,wheretheywhistled,leapt,screamedandhowledateverygoalorhighpointinthegame,undeterredbyabitinglycoldwind.ButSouthAfricacrashedoutoftheWorldCupfollowi...
Deafness 'cure' is a goal for science
percussion:thestrikingtogetheroftwobodies,especiallywhennoiseisproduced振动;碰撞;打击乐cochlearimplant:asurgicallyimplantedelectronicdevicethatallowspeoplewithseverehearinglosstorecognizesomesounds人工电子耳;人工耳蜗...
Anthropic创始人访谈:Scaling与强化学习,可解释性与AGI安全
损失函数(lossfunction)在机器学习中是指衡量拟合优度的函数,作用是反映模型输出与真实值之间的差异程度,即衡量预测误差;纳入所有样本点的预测误差,提供一个单值代表整体拟合优度;同时训练过程中会根据损失函数值不断地调整模型参数,目的是使损失值最小化,从而得到一个更优的拟合效果。