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LKD2-H型车站列控中心手柄应放在()位置。
不定形密封材料中的丙烯酸类密封膏可用于()。
患儿,6岁。哮喘病史5年。平素反复感冒,气短自汗,咳嗽无力,面白少华,神疲懒言,形瘦纳差,大便溏,舌质淡,苔薄白,脉细软。其缓解期治疗宜选用外治法()。
What command will print a list of usernames (first column) and their corresponding user id (uid, third column) from /etc/passwd?()
患儿9岁,自幼发现心脏杂音,近2年来有明显活动后气促,体查发现胸骨左缘第2肋间有Ⅳ级收缩期吹风样杂音,心电图示右心室肥大,导管检查右心室与肺动脉收缩期压力阶差为为10kPa(75mmHg)。 该病人术前准备不包括下列哪项( )
列车运行中遇机车拉杆、吊杆松脱及轮箍松驰、外串等危及行车安全时,()。
26岁,妇女,使用宫内避孕器3年,月经基本规律,末次月经6月10号,于7月8号阴道出血淋漓10天不净,咖啡样,伴下腹痛,不剧烈,未经任何诊治入院。医师最先采取的步骤是()
降解产物基因激活蛋白结合位点()。
下列不适合做可摘局部义齿修复的情况是患者患有().
雌激素不能用于治疗:
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DO NOT GO TO LIFE-BOAT STATIONS BEFORE ORDERD.的中文意思是:在未接到命令前不得去救生艇站。
DO NOT GO TO LIFE-BOAT STATIONS BEFORE ORDERD.的中文意思是:在未接到命令前不得去救生艇站。
According to the regulations for life boat falls,which action must be taken at 3...
why do some stations keep silence?()
To obtain accuracy in fixing by DF,()and three stations should be used.
Information from the stations and installations shall be appropriatelysharedby()...
The FEC mode is for()from()station to two or more other stations when available.
To obtain accuracy in fixing by DF,()and three stations should be used.
The Coast Radio Stations are found in().
A call between any two ship stations on an intership working frequency shall hav...