但是只有38%的贫穷国家要求前位和后位乘客均要系好安全带。
Yet only 38% of poor countries ask both front - and back-seat passengers to wear seat belts.
伦敦经济学院一向在英国排名前五，但在2007年改变排名方法后，从第17位下降到了第59位。
After a change in methodology in 2007, the London School of Economics, usually regarded as one of Britain's top five academies, crashed from 17th to 59th place.
这份研究显示在70年代，一位随机来自排名前25位之外的大学经济学教授，会因为进入哈佛后，而使得他的研究产量翻番。
The study showed that during the 1970s, an economics professor from a random university, outside the top 25 programmes, would double his research productivity by moving to Harvard.
线性卷的前三分之一位于hda3上，后三分之一位于hdc3 上，中间三分之一位于 hdb3 上。
The first third of the linear volume will reside on hda3, the last third on hdc3, and the middle third on hdb3.
枕后位是宝宝的背部靠向你的背后，脸朝向你的腹部，大约只有百分之五的宝宝无法变为枕前位。
In in the occiput posterior position is the baby back to your back, face towards your abdomen, only about five percent of the baby can not become the occiput anterior position.
方法采用脊柱活动节段的三维有限元模型分析了脊柱在直立位、前屈位和后伸位的应力分布情况。
Methods Stress distribution of the spine in the upright, flexion and extension positions was analyzed using a three-dimensional finite element model of the spinal motion segment.
方法通过对常规俯卧后前髌骨轴位和站立负重髌骨轴位的投照方法得出的影像及照片成功率加以对比。
Methods Compare the radiographic operation method, the image and the film success ratio of the original P-A Merchant view with those of the standing weight-bearing Merchant view.
正常生理状态下斜扳，后伸位应力大于前屈位而小于自然中立位。
Under normal physiologic condition, the stress in posterior extension is greater than that in anterior flexion, but less than in neutral position.
还进一步建立了锥形砂轮磨削前刀面和后刀面时的刀位轨迹模型，并研究了刀位轨迹与机床坐标系的转换关系。
Moreover, the tool paths models of wheel which grinding are builded and the post-processing technique for coordination transfer is studied.
1987年，一位不满的乘客在美国PS A航空公司的1771号航班上先后向其前老板、两位驾驶员和他自己开枪后，飞机坠毁于加利福尼亚的帕索罗·布勒斯附近，造成机上全部43人丧生。
1987 - PSA flight 1771 crashes near Paso Robles, California, killing all 43 on board, after a disgruntled passenger shoots his ex-boss on the flight, then shoots both pilots and himself.
后位继承权转化为既得继承权时对前位继承人的期待权亦同时产生。
When surrogate right of succession transforms into acquired right of succession the right of expect...
后位继承权转化为既得继承权时对前位继承人的期待权亦同时产生。
When surrogate right of succession transforms into acquired right of succession the right of expectancy for the prior heir results. In legislation, considerable use of presumption should be ma…
方法：应用CT在旋后位、中立位及旋前位扫描45个腕关节无症状人的手。
Methods: Computed tomography scans of forty-five asymptomatic wrists were performed with the hand in supination, neutral, and pronation.
方法：应用CT在旋后位、中立位及旋前位扫描45个腕关节无症状人的手。
Methods: Computed tomography scans of forty-five asymptomatic wrists were performed with the hand in supination, neutral, and pronation.
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