何为相对误差？-我要搜题网

[单项选择]Back-up wires on a towed vessel provide（）.
A. a factor of safety
B. additional strength
C. a distribution of the towing load
D. All of the above

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[判断题]交流电压表附有电压互感器时，电压互感器二次侧不能开路。
A.正确
B.错误

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[单项选择]关于肾CT检查说法，错误的是（）
A. 扫描前3天禁服钡剂、钙或含金属药物
B. 平扫可发现钙化和结石
C. 扫描前30分钟口服15%泛影葡胺400ml
D. 一般不需做增强扫描
E. 扫描前6小时禁食

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[单选题]（）雷电放电时形成的发红光、橙光、白光或其他颜色的火球。
A.直击雷
B.感应雷
C.球形雷
D.片行雷

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[单项选择]园林的楼面工程水泥砂浆施工严禁用等级低于（）的水泥，集料采用中砂，且含泥量控制在3%以内。
A. 32.5
B. 42.5
C. 52.5
D. 62.5

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[单选题]不属于类储备定额计算参数的有( )
A.供应间隔天数
B.验收入库量
C.平均每日需要量
D.保险储备定额

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[简答题]某银行个人理财业务部门主管认为其部门一名业务人员违反了规章制度并对其进行了处罚，但是该业务人员认为自己并没有违反规章制度。则该业务人员应采取的正确做法是( )

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[单选题]在银行业金融机构将冠字号码信息保存本地及上传到信息系统后至少应保存()个月,并应确保数据的安全。
A. 1;
B. 2;
C. 3。

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[单项选择]根据物料的干燥速率变化，可分为恒速阶段和降速阶段，在降速阶段的干燥速率取决于
A. 水分在物料内部的迁移速度
B. 物料表面水分的气化速率
C. 空气温度与物料表面的温度差
D. 空气流速和空气温度
E. 平衡水分和自由水分

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[填空题]适应经济发展方式和战斗力生成模式转变，以（）、（）、（）、（）、（）、（）、（）等高端装备制造为重点，发展战略性军民融合产业，对接军品需求，加快军工技术转民用步伐，推动民品升级换代，实现双向互动、协同共赢。

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[单项选择]Despite the ubiquity of computer technology, most people are unaware that
Line computers exist in two mutually exclusive, distinct categories: analog and digital.
We are most familiar with digital computers, such as laptops. On the one hand,
digital computers process information using a binary number system that allows
(5) them to calculate numbers in an accurate and exact manner. Analog computers,
on the other hand, do not calculate per se; they measure and respond to a
continuously changing input.
Simple analog computers, called astrolabes, were first developed by the
Greeks to solve problems in astronomy. The devices proved very popular and
(10) soon spread throughout the Roman world. By the 10th century, Muslim scholars
had developed the astrolabe into a sophisticated mechanical device capable of
calculating solutions to problems not only in astronomy, but also in astrology,
navigation, surveying, and ti
A. Items discovered on the Antikythera shipwreck were found to date back to 500 BCE.
B. Similarly complex astrolabes were recently found at a series of archeological sites dating between 100 and 500 CE.
C. Complex machines involving pulleys and ropes were found at archeological sites on the Greek island of Antikythera.
D. At the time of the Antikythera shipwreck, the island of Rhodes was famous for its collection of scientific devices.
E. (E) Ancient Romans were famous for their acquisitions of Greek art and architecture.

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[填空题]为了确定路基填土的最大干密度和最佳含水量,应做（）试验。

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[单选题]在TN-S配电系统中,N线表示( )。
A.相线
B.中性线
C.保护零线
D.保护地线

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[简答题]《三国演义》中曹操的形象有哪些特点？

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[单选题]肌体内缺少维生素B12,会引起( )。
A.脚气病
B.糙皮病
C.恶性贫血
D.佝偻病

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[单选题]如果一个站的所有遥测数据都不刷新，但从报文看都是F4打头(新部颁CDT规约)的遥信变位内容，则故障原因为（）。
A.遥信抖动
B.RTU故障
C.主站故障
D.通道故障

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[判断题]各级人大及其常委会也可能成为行政复议程序中的被申请人。 ( )
A.正确
B.错误