
一般钢卷尺上的最小分划为( )。
设总体$X\\sim N(\\mu, \\sigma^{2})$, $X_{1}, X_{2},\\cdots, X_{n} $为总体的样本, 则$ \\sigma^{2}$ 未知时,检验假设 $H_{0}: \\mu=\\mu_{0}, H_{1}: \\mu \ eq \\mu_{0}$ 则拒绝域为(…
设总体$X\\sim N(\\mu, \\sigma^{2})$, $X_{1}, X_{2},\\cdots, X_{n} $为总体的样本, 则$ \\sigma^{2}$ 未知时,检验假设 $H_{0}: \\mu=\\mu_{0}, H_{1}: \\mu \ eq \\mu_{0}$ 则拒绝域为(…
The most important governing principle is to apply laws to the people.To have love for parents and respect to elder brothers is the central theme of ren.…
智慧职教: 某物流公司要运输规格为410*251*296mm,毛重4.37kg的某品牌尿不湿500箱。使用2辆1吨厢式货车(尺寸2.8*1.8*1.8:,单位:米)运输。尿不湿运输指示标志为:向上、怕湿。请问按照尿不湿箱子长度顺着车厢宽度方向,尿不湿箱子宽度顺着车厢长度方向装载,1辆1吨该车型的车最多可装…
沈 XX ,男, 31 岁.三年前始见眼睑、面部浮肿,因未及时治疗,病情迁延,逐渐出现下肢反复水肿.近二月来,常感心悸、心跳而来就诊。症见面色苍白,形寒肢冷,精神萎靡,心悸,腹部胀满,下肢浮肿,按之凹陷,腰膝酸冷,小便短少,舌淡胖,苔白滑,脉沉迟无力. 要求写出:①主诉;②八纲结论;③证名诊断; ④ 辨证分析 .…
专技天下: 根据《关于个人所得税法修改后有关优惠政策衔接问题的通知》(财税〔2018〕164号)规定,2019年1月1日到2021年12月31日间,个人办理提前退休手续而取得的一次性补贴收入,应按照办理提前退休手续至法定离退休年龄之间实际年度数平均分摊,确定适用税率和速算扣除数,单独适用综合所得税率表,计算纳税。…
认识的过程首先是从实践到认识的过程。这个过程主要表现为在实践基础上认识活动由 能动地飞跃到 ,也就是“从生动的直观到抽象的思维”,这是认识运动的第一次飞跃。从实践到认识的过程,“这是整个认识过程的第一个阶段,即由 到 的阶段,由存在到思想的阶段”。…
THE ACT OF CHECKING WHO OF THE PASSENGERS AND CREW MEMBERS ARE PRESENT, E.G. AT ASSEMBLY STATIONS, BY READING ALOUD A LIST OF THEIR NAMES defines ______.…
从某国进口设备,质量为1000t,装运港船上交货价为400万美元,工程建设项目位于国内某省会城市。若国际运费标准为300美元/t,海上运输保险费率为3‰,银行财务费率为5‰,外贸手续费为1.5%,关税税率为22%,增值税税率为17%,消费税税率为10%,银行外汇牌价为1美元=6.3元人民币。则下列说法正确的有()。…
What will happen if the duplicate copy of the letter is not returned by the deadline? This offer will be ___________________________________ on that date.…
The interpreter can seek help from others during interpreting. For example, he can ask the speaker to explain or rephrase the expression which he couldn’t…
If an obit says \"all her students liked her\", that doesn't say much. Details, such as examples and quotes, should be used instead of personal opinions.…
Pause to ( ), like when you are asking a thought provoking question, making a strong statement,at punctuation -longer at footsteps, and shorter at comas.…
某钢轴的材料性能:σs=260MPa,,σ-1=170MPa,σb=900MPa,σ0=283.5MPa,其危险截面处综合疲劳影响系数Kσ=2.35,危险截面上的平均应力σm=20MPa,应力幅σa=30MPa。试作图解答下列问题: (1)绘制轴的简化极限应力图。 (2)试按应力循环比为常数计算该截面的安全系数…
女性,25 岁,患大叶性肺炎治疗已2周,体温正常已2周,昨日突起畏寒发热,呼急促,胸片示右侧胸腔平第4前肋有一外高内低弧形阴影,行右侧胸膜腔穿刺。抽出稀薄脓性液体,体格检查发现右侧肋间隙饱满,语颤音减弱。血象: WBC 17x109/L,中性粒细胞比率为0.88病人行胸腔闭式引流,胸腔引流管如自胸壁伤口脱出,正确的…
my opinion, customer service here has improved but not as much as expected over the last 2 years. A) On B) In C) For D) With…