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.
游戏开始后，系统会给玩家显示一个页面，如果玩家猜测的关键词搜索结果的前5位出现了这个页面，玩家就能获得分数。
Once a game begins, players are presented with a web page and receive points to guess keywords for the pages in the top 5 results.
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.
加里奥特将于10天后与同行的两位前国际空间站工作人员搭乘“联盟号”飞船的返回舱返回地球。
After 10 days in space Garriott will return to Earth with the ISS's former crew aboard a Soyuz re-entry vehicle.
针对数控磨削的特点 ，提出了基于约束条件和成形过程的加工特种回转面刀具前、后刀面的刀位轨迹生成条件方程组。
The equation groups can be used to generate tool paths for manufacturing rake and flank faces of the tools.
而对于同一定点，其与桡神经深支的距离按旋前、中立、旋后位的顺序越来越远。
With the forearm in pronation, neutral and supination sequently, every fixed point became farther and farther from the deep branch of radial nerve.
从前，在经历过一个伤心的事情后，一位朋友告诉我在三周时间内每天晚上在我睡觉前写下五件值得感激的事情。
Once, after going through a heartbreak, a friend told me to write down five things I was grateful for each night before I went to bed for three weeks straight.
毕业后第一年，哈维姆德学生的起薪平均为73，300美元，和排名前十五位的其他名校处于同一水平。
Mudd alums' starting salaries in year one after graduation averaged US$73,300, which is in the same general range as the other top 15 colleges and universities in the ranking.
双能X线吸收法(DXA)测量后前位第1 - 4腰椎，左侧股骨颈、股骨干、大转子及总股骨的BMD。
BMD was measured at the posteroanterior lumbar spine 1-4, left femoral neck, femoral shaft, trochanter and total hip by dual-energy X-ray absorptiometry (DXA).
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.
前两位数字为有效数字，后一位数字表示零的个数。
The first two digits are significant, and the third digit is number of zeros.
前病毒整合位点、靶细胞特性和整合后的载体结构与转入基因表达的稳定性紧密相关。
The integration sites of provirus, the nature of the target cells and the structure of vectors were closely related to the stability of gene expression.
前病毒整合位点、靶细胞特性和整合后的载体结构与转入基因表达的稳定性紧密相关。
The integration sites of provirus, the nature of the target cells and the structure of vectors were closely related to the stability of gene expression.
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