| 1. | The palm of one 's hand is slightly concave ..
人的手掌是微凹的。
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| 2. | The cloven hooves are sharp edged, elastic and concave .
蹄锋利，呈凹形，富有弹性。
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| 3. | The graph of a concave function is always below its tangent .
一个凹函数的图象总在它的切线的下方。
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| 4. | The mirror is concave .
镜子呈凹面。
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| 5. | The next wave would lift those objects up its steep concave slope .
跟着涌来的浪头又把这些物品举到了那高高的浪峰上。
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| 6. | The next wave would lift those objects up to its steep concave slope .
跟着涌来的浪头又把这些物品举到了那高高的浪峰上。
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| 7. | In adults its contour may be straight, slightly concave or slightly convex .
成人肺其形状可以是直的，轻微凹下或轻度突出。
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| 8. | Alternative characterization of concave and convex functions which is sometimes useful .
对于凹函数和凸函数还有一个替补的表征，有时它是有用的。
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| 9. | the spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.
光谱仪用了一块凹面衍射光栅，第一级光谱的色散度为42埃毫米。
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| 10. | Semi - circular profile milling cutters , concave ; dimensions
半圆成形凹铣刀.尺寸
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