欧文·费雪还画了一条曲线，一条社会的生产可能性边界，他让它向下弯曲。
Irving Fisher also drew on the curve, a production possibility frontier for society, which he made downward-curved.
双曲曲面，即通常所称的负曲率，因为它的表面同时向上和向下弯曲，就像一个马鞍。
The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle.
从腰部或背部中部向前向下弯曲。
To bend forward and down from the waist or the middle of the back.
使…倾斜或使…向下弯曲。
爪哇不仅被向下推，而且正在向下弯曲。
马丁说，异常寒冷的海洋空气使得光线反常地向下弯曲。
The unusually cold sea air caused light to bend abnormally downward, Maltin said.
有一些人说，麦子的细胞膨胀变大，麦秆在节点处向下弯曲。
According to some, the crop cells become swollen and are bent down at the 25 nodes.
槌状趾使得脚趾中间的关节向下弯曲，使得脚趾头更接近脚底。
Hammertoe generally causes the middle joint of the toe to bend downward, with toes appearing raised near the foot.
有一些人说，是因为麦子的细胞膨胀变大，使得麦秆在结点或关节处向下弯曲。
According to some, the crop cells become swollen and are bent down at the nodes, or joints.
抓着岩点的手指首先向上弯曲，然后向下弯曲，整个过程不超过一秒钟。
First the fingers bend upwards, and then downwards, all in a fraction of a second.
向上弯曲的尾巴，虽然是更好的方法，动物也可以弹出向下弯曲的尾巴。
Although bending the tail upwards is the better method, the animal can also be popped by bending the tail downwards.
所有气藏的生产指示曲线都会向下弯曲，并非只有异常高压气藏才向下弯曲。
The production index curves of all gas reservoirs, not only abnormal pressure ones, are curved downward.
很大一组木质楼梯沿着石基墙到达上层，它的扶手非常独特，向下弯曲一直到达地板。
An extra large set of timber stairs reaches up the stone foundational wall toward the upper floor, with a unique free-floating rail curving down toward the floor.
但这项新的研究表明，有点向下弯曲的翅膀确实能从每次拍打中获得更多的空气挤压升力。
But this new study shows that wings with a little flop can actually get more air-pushing lift from each flap.
在花费足够达成满足之后，事业和生活上的杂乱无章、压力和竞争等糟糕的状况将会使曲线向下弯曲。
Beyond Enough, the curve dives downward into clutter, stress, competition and an array of other sorry outcomes。
南非水牛：产于非洲的一种大而性情凶猛的水牛（非洲野牛黑牛属），有硕大的向下弯曲的双角。
Cape buffalo:a large, often fierce buffalo (Syncerus caffer) of africa, having massive downward-curving horns.
氧终端表面能带向下弯曲，带隙较宽，带隙中不存在表面态。对两种终端金刚石薄膜的导电机理进行了讨论。
The results indicated that for the hydrogenated diamond surface, the surface energy bands bend downwards and there exists a shallow acce…
所述过滤器介质在所述支撑管的相反端向下弯曲到所述支撑管，并且在之后在弯曲区域处焊接到所述支撑管上。
The filter medium is crimped down to the support tube at opposite ends thereof and then welded to the support tube at the crimped regions.
脸朝地板向下，肘关节弯曲，手心靠近肩膀。
Lie face down on the floor with your elbows bent and your palms next to your shoulders.
前腿膝关节弯曲，后腿保持绷直状态，右脚后跟贴紧地面并向下压。
Bend the front knee, keeping the back leg straight, press the right heel down on the floor.
该凳子又称为头发的颜色，其特点是弯曲的水平边缘，以及从两边向下延伸的立柱。
Called the Colour of Hair, the stools feature seats with curved edges, and uprights that extend down from two edges.
抬起一只脚，脚趾弯曲，脚尖向下。
正确的踢腿动作中你的膝盖不能太弯，但是膝盖是会有所弯曲的，特别是在向下踢腿时。
Proper kicking you don't bend your knees too much, but there is a knee-bent particularly on the down beat.
所述小腿胫包括向下突出的弯曲下端，该下端通过连接部件(73)固定在所述脚龙骨上。
The calf shank includes a downward convexly curved lower end which is secured to the foot keel by way of coupling element (73).
右膝通过膝盖拉伸向下踢水，左膝开始弯曲膝盖。
The right knee kicks down through knee extension. The left knee begins knee flexion.
经过本机矫平后，可将材料修正成向下向上弯曲或平坦。
After being Straighten, materials can be curled upward or downward of flat easily.
弓形鞋底。弯曲成弓形的鞋底，脚趾蜷曲向下。
Cambered sole - a curved or arched sole with a down-turned toe.
弓形鞋底。弯曲成弓形的鞋底，脚趾蜷曲向下。
Cambered sole - a curved or arched sole with a down-turned toe.
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