计划靶体积；
PTV , also known as network TV, is based on IP protocol television services.
也叫网络电视，是指基于IP协议的电视广播服务。
I am sorry, I am not sure of our exact location. May I refer you to the air show on the PTV?
对不起，我不太清楚我们的确切位置。请您查看个人电视上的航路信息好吗？
The doping time and concentration of dopant affect conductivity I2-doped PTV film has good air stability in six months.
PTV膜具有较好的力学性能、I＿2掺杂PTV膜导电率有极好的空气稳定性。
Results By using ICRU dose reference point (the central point of target) as theunitary dose, 95% dose line could be surrounded above 95% of the PTV.
结果：以ICRU剂量参考点（靶中心点剂量）剂量归一，95%剂量线均能包绕95%以上的PTV。
Objective: To examine and analyze the set-up errors for patients with three dimensional conformal and Intensity Modulated Radiotherapy to calculate CTV referential safety margins of PTV.
目的：测定和分析三维适形及调强放疗的摆位误差，并依此计算CTV外扩PTV边界的大小。
The velocity field measurement by use of the particle image velocimetry and particle tracking velocimetry ( PIV/PTV) system in a tidal estuary model test has advantages of high speed and accuracy.
在潮汐河口河工模型试验中采用粒子测速（PIV/PTV）系统测量流场，具有快速、精度高的优点。
The velocity field measurement by use of the particle image velocimetry and particle tracking velocimetry ( PIV/PTV) system in a tidal estuary model test has advantages of high speed and accuracy.
在潮汐河口河工模型试验中采用粒子测速（PIV/PTV）系统测量流场，具有快速、精度高的优点。
应用推荐