| 1. | The indefinite integral is an antiderivative . 不定积分是反导数。
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| 2. | The structure has an indefinite life . 这是一座永久性的建筑物。
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| 3. | His stay became indefinite . 他要不定期地在这里住下去。
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| 4. | Why must we make this statement indefinite ? 我们的这个论点为什么必须是不确定的?
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| 5. | He gave an indefinite answer . 他的答复很活络。
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| 6. | An indefinite alteration had come over his whole person and manner . 他整个的人和态度已经有了一种说不出的变化。
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| 7. | The direct action of changed conditions leads to definite or indefinite results . 改变了的条件的直接作用,产生一定的或不定的结果。
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| 8. | since represents an indefinite integral, the ambiguity arises from constant of integration. 由于表示不定积分,而积分常数引起了不确定性。
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| 9. | With a quick, indefinite gesture of one arm, he exclaimed: "good-bye, i-i'm sorry. " 他把一条胳膊陡的一挥,打了一个含糊的手势,嚷道:“再见吧,我-我很对不起。”
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| 10. | In the second case, we are tracing out the impact into the indefinite future of a single, one-short change in investment . 在后一个例子中,我们要找出简单的一次性投资变化对未来所造成的影响。
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