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It has been proved that induced voltage causes a current to flow in opposition to the force producing it.
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已经证明，感应电压使电流的方向与产生电流的磁场力方向相反。 |
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It has been proved that it is impossible to establish the formal inductive logic on the basis of inductive probability.
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这证明基于归纳的概然性特征，不可能建立起形式的归纳逻辑。 |
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It has been proved that the enemy cannot conquer us by force of arms.
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敌人的武力是不能征服我们的，这点已经得到证明了。 |
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It has been proved that the main factors that influence the earnings quality include: the selection and change of accounting policy, the enterprise's policy of discretionary expenditure, and the reconciliation of earnings and cash flows.
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其中，收益质量主要影响因素有会计政策的选用和变更、酌量性费用政策、收益的现金流量匹配程度等。 |
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It has been proved, the bed material load, wash load and total load follow the same rule of carrying capacity.
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证实了床沙质、冲泻质与全沙具有统一的挟沙能力。 |
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It has been proven by instrumental analysis that metal oxides and salts disperse spontaneously to the pores and surface of zeolites at atomic level dispersion.
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摘要金属盐和氧化物在分子筛孔穴中及内外表面自发形成原子水平的分散，这种自发分散现象已被多种现代仪器分析所证实，并在国内外得到广泛认同。 |
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It has been pursued high quality since the company was founded in 1989,its products are sold well to 30 countries and areas, trusted deeply by all customers.
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公司自1989年成立以来，始终把质量放在首位，产品畅销海内外三十多个国家和地区，深得用户好评。 |
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It has been quite some time since we got together last. Tell me about your studies.
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自从上次相聚至今已有不少日子，告诉我你的学习情况。 |
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It has been raining all day.
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已经连续下一整天雨了。 |
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It has been raining for days on end.
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一连好几天连续下雨。 |
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It has been raining off and on since yesterday.
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从昨天起就断断续续的下着雨。 |
