为了更好地为中小企业的上市服务,我国深圳证券交易所于()年推出了中小企业板。 ["2002","2003","2004","2005"]
救生艇备品中,有探照灯1具,可连续工作不少于()。 ["2小时","3小时","6小时"]
客户需要卖出200美元现钞,根据交通银行的即时牌价:现汇买入价653.47、现钞买入价648.23、现汇卖出价656.07,能够获得()人民币。 ["A.1306.94","B.1296.46","C.1312.14","D.以上都不正确"]
The hydraulic () is used to control engine speed. ["motor","pump","governor","capsta"]
通常小区导频覆盖门限是大于(),要保证信号可靠解调的最小导频覆盖门限一般需大于()。 ["-10dB;-8dB","-12dB;-10dB","-14dB;-12dB","-15dB;-13dB"]
变余沉积