更多“标准偏差σ值的大小,表示测量中随机误差的分散情况。”相关的问题
通过刷牙不能有效地达到()
A.去除牙颈部的牙垢与菌斑
B.去除龈沟内的牙垢与菌斑
C.去除

面的食物残渣
D.去除堀垢与菌斑
E.按摩牙龈,增强牙周组织的抗病能力
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在测量溶液电导时,无论采用哪种测量方式,都需要在电导池的电极上外加(),以便产生相应的电流。
A . 电压
B . 电流
C . 电阻
D . 电源
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我国水资源分布极不均匀,全国水资源的()%分布在长江及其以南地区。
A、81
B、51
C、91
D、71
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PDCA中的D表示( )。
A.策划
B.实施
C.检查
D.处置
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人工解剖式牙牙尖斜度为()
A.0°或3° B.10°或13° C.20°或23° D.30°或33° E.40°或43°
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实验室只要在报告中说明分包检测项目,不用实现征得客户同意
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下列支会议费应附包括()内容的证明材料。
A. 会议目的
B. 签到表
C. 费用标准
D. 支付凭证
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男性,67岁,慢性咳嗽、咳痰20余年,进行性气急加重5年。1周前因感冒后病情恶化入院。血气分析(呼吸空气)示:pH7.30,PaCO228.6kPa(65mmHg),PaO26.4kPa(48mHg)。当即给予低流量(浓度)持续氧疗本例强调低流量(浓度)氧疗是为了避免()
A . A.氧中毒
B . "吸收性"肺不张
C . 氧气浪费
D . CO
潴留加重
E . 以上都不是
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《中华人民共和国义务教育法》规定,义务教育的对象是()
\tA.适龄儿童
\tB.儿童
\tC.适龄少年
\tD.少年
\tE.适龄青年
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Women have long been more in number than men on college campuses. They also hold more advanced degrees than their male【C1】______. So it makes sense that women would also score higher on IQ tests. But for the last 100 years, they"ve lagged behind men by as much as five points—【C2】______their scores have been rising. Finally, according to IQ expert James Flynn, women have【C3】______ the IQ gap and are in fact scoring higher than men, reports the Telegraph. IQ, the most widely used measure of【C4】______and is determined based on the difference between one"s IQ score and the【C5】______IQ score of a certain age group. It"s thought to be a product of both environmental and【C6】______factors, and is a statistically reliable【C7】______of future educational achievement, job【C8】______and income. But the reasons for differences in IQ— for example, between races or genders—have long been widely【C9】______. There are many【C10】______reasons that women finally surpassed men in IQ after a century of【C11】______, according to Flynn, who is writing a book about IQ and gender. One【C12】______is that women have【C13】______been capable of scoring higher but, because of gender stereotypes, never realized their own【C14】______. Gender-based differences in education,【C15】______ and social roles have historically set the【C16】______lower for women. "This【C17】______ is more noticeable for women than for men【C18】______they were socially and economically【C19】______ in the past," Flynn told the Telegraph. Now if only women could close in on that annoying 【C20】______gap.
A.destinyB.potentialC.ambitionD.power
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女性,55岁,发现右乳肿块10天。检查:右乳外上象限可扪及直径约5cm肿块,质硬,与皮肤广泛粘连,固定;腋窝可扪及成串肿块淋巴结,固定。肿瘤放疗时易损伤皮肤,护理时应保持皮肤清洁干燥。
A. 对B. 错
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关于中国特色社会主义思想道德与中国特色社会主义法律的关系,下列描述不正确的是: (4.0分)
A. 中国特色社会主义思想道德和法律共同发挥作用促进国家和社会治理 B. 中国特色社会主义思想道德为中国特色社会主义法律提供价值基础 C. 德主刑辅,是当前中国特色社会主义思想道德和法律建设的基本原则 D. 中国特色社会主义法律为中国特色社会主义思想道德建设提供制度保障
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欧式松质面包表皮松脆,层次分明,有类似“清酥”之类的特性。
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对跨度较大的梁下支座时,模板应从两端分别拆向跨中。
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