石筛分析试验中称取各筛筛余的质量,精确至试样总质量的()
A、1%
B、0.1%
C、0.01%
D、0.001%
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What should you do when your parents become angry? If your 76. _______
parents got mad, try to have a conversation with them 77. _______
about it. Remembering not to shout at them. They usually 78. _______
will try to change, but they will take some time because 79. _______
they get angry all their life, and that is all they know. You 80. _______
might have to change for your method a couple of times. 81. _______
Do any nice things for your parents that they don't expect 82. _______
— like cooking, doing the dishes, washing clothes, or clean 83. _______
the floors. If this doesn't work, bring in friend that you 84. _______
feel comfortable, and have him or her help you. 85. _______
催眠疗法不适用于()
A.转换性障碍
B.物质滥用
C.强迫症
D.慢性疼痛
E.哮喘
链霉素的毒性反应( )。
A.听神经损害
B.肝损害
C.球后视神经炎
D.胃肠道反应
E.骨髓抑制
听取当事人的陈述、申辩,是处理每个行政处罚案件的必经程序。
某承包商B在某大学实验楼施工中,拟采用钢木组合模板体系或小钢模体系施工。经有关专家讨论,决定从模板总摊销费用(F1)、楼板浇筑质量(F2)、模板人工费(F3)、模板周转时间(F4)、模板装拆便利性(F5)五个技术经济指标对该两个方案进行评价,并采用0—1评分法对各技术经济指标的重要程度进行评分,其部分结果见表1,两方案各技术经济指标的得分见表2。
经造价工程师估算,钢木组合模板在该工程的总摊销费用为40万元,每平方米楼板的模板人工费为8.5元;小钢模在该工程的总摊销费用为50万元,每平方米楼板的模板人工费为6.8元。该住宅楼的楼板丁程量为2.5万m2。
表1 指标重要程度评分表 | |||||
F1 | F2 | F3 | F4 | F5 | |
F1 | × | 0 | 1 | 1 | 1 |
F2 | × | 1 | 1 | 1 | |
F3 | × | 0 | 1 | ||
F4 | × | 1 | |||
F5 | × |
问题:
试确定各技术经济指标的权重。(计算结果保留三位小数)