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datum
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n．资料；数据；已知数
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详细解释：
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以下为句子列表：
英文: Abstract: Establishing database of work injuries and death accident statistics analysis system, can deal with a most of work injuries and death accident raw datum by computer, and obtain analysis consequence in the light of different demands, find out veg
中文: 文摘:建立工伤死亡事故统计分析数据库，可利用计算机对大量的伤亡事故的原始数据进行处理，得出不同要求的统计分析结果，从中找出伤亡事故发生的一些规律，为今后的安全生产提出应该重视的问题，为采取预防措施提供依据。
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英文: After analysis of survey datum collected from the households of Shandong and Heilongjiang provinces, utility function of Livestock policy to dairy household's production is evaluated.
中文: 本文通过对黑龙江，山东两省区奶农饲养奶牛生産资料和技术服务获得的分析，研究了畜牧业政策对奶农生産和行爲的影响，从一个方面反应了中国畜牧业政策对农户饲养奶牛的效用。
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英文: After analysis of survey datum collected from the households of Shandong and Sichuan provinces, the utility function of livestock policy to pig householders production is evaluated.
中文: 笔者通过对四川和山东两省养猪农户生产资料和技术服务获得的分析，研究了畜牧业政策对养猪农户生产和行为的影响，从一个方面反应了中国畜牧业政策对农户饲养生猪的效用。
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英文: B.ALL undimensioned features shall be located within a tolerance of .005 from datum zeroo.
中文: 所有未注的特征相对于基准零点的位置偏差须在0.005之内.
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英文: Based on analysis relationship of which the shifting direction of position datum is or not is to the distance dimensions between process datum and position datum, have researched on method define the sing about plus or minus within the calculating formula
中文: 由分析机床夹具定位基准的移动方向与工序基准同定位基准间的距离尺寸无关或有关两种情况，探讨确定机床夹具中的定位误差计算式中加、减符号的方法。
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