从物资包装标识上可以看出进口设备的长是2.5m,宽l.5m,高1.85m,这台设备的体积是多少(保留两位小数)?
百度推出的外链分析工具对站长有何帮助?() ["查看一段时间内网站自身或某其他网站的外链趋势走向","可以查看并下载任一网站的外链数据,以便于进行自身网站外链分析以及竞争对手对比分析","可以拒绝低质量外链","可以自动屏蔽黑客攻击"]
施工区段划分、施工流向及劳动组织等,属于()中的内容。 ["施工技术方案","施工组织方案","施工管理方案","施工控制方案"]
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Given the following code, which method declarations, when inserted at the indicated position, will not cause the program to fail compilation?() public class Qdd1f { public long sum(long a, long b) { return a + b; } // insert new method declaration here } ["public int sum(int a, int b) { return a + b; }","public int sum(long a, long b) { return 0; }","abstract int sum();","private long sum(long a, long b) { return a + b; }","public long sum(long a, int b) { return a + b; }"]
BKDZ―500、630/1140(660)矿用隔爆型智能化真空馈电开关过流保护整定方法?