更多“设总体X~N(μ,σ2),X1,X2,…,Xn(n=16)是”相关的问题
A . 选择1 内源性抗原主要被宿主的APC 类细胞加工处理及提呈B . 选择2 病毒感染细胞合成的病毒抗原属内源性抗原C . 选择3肿瘤细胞合成的肿瘤抗原属内源性抗原 D . 选择4 细胞内合成的抗原为内源性抗原
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同一铸件的不同尺寸部位,各自的收缩率是相同的。
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下述哪些情况能使血沉加快
A.血沉加快的红细胞置入正常血浆
B.血液中的球蛋白增加
C.正常红细胞置入血沉加快的血浆
D.血液中的自蛋白增加
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I. Fill in the blanks with the words given below. Change the form where necessay. Each word can be used only once. eliminate reveal accurate facilitate exaggerate imply launch frustrate concious appropriate If you promise you won't _________ my name, I will tell you the true story. Are you ____________ that I am the one to blame? I didn't do anything wrong. WWhile advertisements do not necessarily present _________ information, they do male people aware of the availability of products that could improve their lives. He ___________ dangers of the trip ro the mountain tin order to frighten the children out of going. You have to ___________ the mistakes from the essay before you hand it in. The new policy was expected to ____________ the development od trade between the two cities. She was ____________ by her failure in applying for the post she had long dreamed of. in most cultures it is not __________ for one to wear a red dress or suit at a funeral. He suddenly became _____________ that he was the only person who wasn't dressed formally at the reception. To ____________ this new product into the European market, the company gave away 10,000 free samples to the local consumers.
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一般情况下,动力齿轮的工作平衡性和接触精度都应比运动精度()。
A.高一级
B.低一级
C.相同
D.高两级
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T日买入交易所非DVP债券,应收利息计算至()日。
A.T
B.T+2
C.T-1
D.T+1
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联合外部商家的()或优惠活动,可以使客户获取多重奖励。
A.积分
B.赠品
C.抽奖
D.折扣
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根据对货物外表状况有无不良批注为标准,海运提单可以分为
A . 空白提单B . 清洁提单C . 批注提单D . 不清洁提单
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生物毒害性废物包括:()、()、刺激性废物、生物毒性废物。
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过程控制系统、信息查询系统等均属于实时系统,那么实时系统()。
A.是依赖人为干预的监督和控制系统
B.必须既要及时响应、快速处理,又要有高可靠性和安全性
C.强调系统资源的利用率
D.实质上是批处理系统和分时系统的结合
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涂层刀具是指在硬质合金基体上涂上厚度为4-5m的(),其表面硬度可达2500~4200HV。
A . 氮化钛
B . 碳化钛
C . 氧化铝
D . 立方氮化硼
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可直接加热的玻璃仪器是A.烧杯B.试剂瓶C.滴瓶D.量筒E.培养皿
可直接加热的玻璃仪器是A.烧杯B.试剂瓶C.滴瓶D.量筒E.培养皿
A.烧杯B.试剂瓶C.滴瓶D.量筒E.培养皿
B.试剂瓶C.滴瓶D.量筒E.培养皿
C.滴瓶D.量筒E.培养皿
D.量筒E.培养皿
E.培养皿
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玄奘翻译佛经的场所是()。
A.小雁塔
B.大雁塔
C.兴庆宫
D.大明宫
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