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机电一体化控制系统设计的目的是什么?

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历来被人们视为岭南混一风俗的两大奇事是指()和()。

You are a database administrator of two SQL Server 2005 computers named SQL1 and SQL2. You have a Microsoft .NET application that has been modified so that it now accesses a database on SQL2 in addition to SQL1. You do not want the user application to connect directly to SQL2. You need to enable the data retrieval from SQL2 while maintaining the ability to assign different permissions to different users who use the .NET application. What should you do?()

A. Change the .NET application to define a new server connection to SQL2.
B. Configure a linked server on SQL1 to point to SQL2.
Configure a linked server on SQL2 to point to SQL1.
D. Change the stored procedures called by the .NET application to include the OPENXML command.

患者45岁,已婚女性。主诉:腹胀1个月,加重7天。病史:患者近1个月来出现腹胀、食欲下降,伴体重下降4kg,7天前腹胀加重。无恶心、呕吐、腹泻,二便正常。既往月经规律,无痛经。查体:患者一般情况差,腹部隆起,未触及明显包块,无压痛反跳痛,移动性浊音阳性。妇科检查:外阴、阴道、宫颈未见异常,宫体前位,正常大小,活动差,无压痛,右附件区触及直径约5cm的实性包块,边界不清,活动差,左附件区未触及异常,三合诊,直肠前方有不规则包块。

2岁男孩,因"发热、咳嗽、呼吸急促9天,加重伴嗜睡和抽搐2天"入院。9天前患儿无明显原因出现发热、咳嗽,当地诊断支气管炎用青霉素治疗4天,无好转,发热、咳嗽渐加重,并出现呼吸急促及唇周发绀转入上一级医院,住院后胸片拟诊肺炎,住院后予以头孢曲松钠、止咳、对症等治疗5天,体温高达39.5℃,咳嗽无痰,呼吸急促,唇周发绀加重,精神萎靡,食欲差,嗜睡,并出现抽搐2次,持续1分钟,抽搐后呼之能应,嗜睡加重。本病临床过程中胸片特点可有()。

A. 病程初期,临床症状很重,而胸片仅表现为肺纹理重,一侧或双侧出现小片浸润影
B. 临床症状明显好转时,而胸片可有肺脓肿或肺大泡等
C. X线特点为多样性、多发性、多变性
D. 皮下气肿
E. 支气管胸膜瘘
F. 纵隔积气

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