Under the Circular, beginning in the 2007 tax year, railway transportation enterprises may deduct their total expenditures -- at 20% of the total original fixed-asset values of the respective categories -- for repairs to their locomotives, passenger cars and trucks.
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Finally, the two level differential corrections method was proposed to transform the orbit designed under the circular restricted three-body problem model into the perturbed three-body problem model.
最后使用两层微分修正方法将圆型限制性三体问题模型下设计的轨道转换到受摄三体问题模型下。
The collider is a giant accelerator machine housed in a 27km-long (17 miles) circular tunnel under the French-Swiss border.
这台对撞机是一套坐落于法国-瑞士边境地区地下一条27公里(17英里)长环形隧道的巨型加速设备。
The complex variable method analytic solution of stress is given for the plane elastic stress problem of surrounding rock of shallow circular tunnel under ground load.
采用复变函数解法，研究地面荷载作用下浅埋圆形隧道围岩的平面弹性应力问题。
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