| 1. | An indifference curve is usually assumed to be convex .
无差异曲线通常呈凸形。
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| 2. | The convex surfaces faces toward the left .
凸面朝左方。
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| 3. | The mirror is convex .
镜子呈凸面。
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| 4. | Its convex border should project far into the right lower lung field .
其凸出缘应深深地突入右下肺野内。
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| 5. | The inferior and lateral convex border of the stomach is the greater curvature .
胃的下方及侧面凸缘是胃大弯。
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| 6. | 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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| 7. | 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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| 8. | In certain case it might be necessary to further decompose a spiral into convex subsets .
在某些情况下，把一个螺旋形进一步分解成凸子集是必要的。
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| 9. | Convex sets and functions have many interesting and useful properties which are not explored in detail here .
凸集和凸函数具有很多重要的和有用的性质，在此不作详细讨论。
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| 10. | The convex decomposition of arbitrary planar polygon
任意平面多边形的凸分解。
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