什么叫合金钢？常加入的合金元素有哪些？
2009年1月3日企业将一张带息应收票据送银行贴现。该票据面值100万元，2008年12月31日已计提利息1 000元、尚未计提利息1 200元，银行贴现息为900元，则该票据贴现时应计入财务费用的金额为（）。 ["借记财务费用2300元","借记财务费用2200元","贷记财务费用1000元","贷记财务费用300元"]
破碎细胞步骤中主要用到哪些种类的方法？各举例说明
合作。
When BGP tuning is used， how is packet flow into the e-commerce module controlled？（） ["by tracking the status of objects along the path to the e-commerce module","by detecting undesirable conditions along the path to the e-commerce module","by using the MED to communicate the site preferences for traffic to multiple ISPs","by communicating the available prefixes， routing policies， and preferences of each site to its ISP","by moving the SLB to a position where selected traffic to and from the servers does not go through the SLB"]
人民法院判决撤销复议机关维持的具体行政行为的，复议决定的效力如何？
