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局压法加荷速率宜控制在每秒为预估破坏荷载的(),持续至试件破坏为止。
信噪比
Ⅰ型超敏反应中肥大细胞释放的活性介质可引起()
充血性心力衰竭患儿的治疗一般不包括()
初孕妇,25岁。妊娠40周,规律宫缩8小时,宫缩45~50秒/4~5分,心率140次/分,枕左前位,胎头10cm。先露0cm,宫口开大2cm,该患者正确的处理是( )。
在进行肝癌普查中较常用的方法为()。
线圈中感应电动势的判断可以根据()定律,并应用线圈的右手螺旋定则来判定。
望提高百度搜索引擎检索结果的查全率,在检索策略可以增加()
下列关于骨肉瘤的描述错误的是( )。
患者的诊断是( )。
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--- How is the steering? ---().
No steering ()
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