在lPSec安全服务协议中,SAD是指()。
— Why does he look sad?—There are so many problems()
源轴距(SAD)是指下列哪一项()。
SAD剂量计算查哪个表求得()
放疗摆位中SAD的允许精度为()
下面对使用SSD.SAD.ROT技术的结论,哪项是错误的()
处方剂量计算的原则规定,对SAD照射,应采用()计算。
SAD照射时,要求必须()
等中心给角(SAD)照射技术与固定源皮距(SSD)照射技术比较,其特点为()
正确校准SAD的方法是()
下列哪项符合SAD照射摆位要求()
等中心给角(SAD)照射技术与固定源皮距(SSD)照射技术比较,其特点为()
等中心给角(SAD)照射技术与固定源皮距(SSD)照射技术比较,其特点为()
He said the movie ________ back sad memories for him.
The sad news broke her_____.
The sad news kept her ____ all the night.
Jane would feel very sad if she had to leave Thornfield. ()
Leaver feels sad about her old age. 查看材料
季节性情绪失调(Seasonal Affective Disorder,简称SAD)的季节性波动主要与温度有关。
_____ sad but beautiful music! What's its name?
_____ the sad news, tears come into her eyes.
_____ sad news it is What an what how how an
When we are sad, we want another person to say().
等中心(SAD)照射时哪项会使靶区移位?