Radiation therapy for tumors is that radioactive substances is directly placed in the tumor residual cavity, to avoid the blood-brain barrier and improve local drug concentration.
瘤内放射治疗是将放射性药物直接置于肿瘤残腔内，直接作用于胶质瘤细胞，此法能避开血脑屏障同时也能提高局部药物浓度。
The prosthetic socket is the most important and important crucial parts in prosthetic, and it is the cavity that joins residual limb and prosthetics.
假肢接受腔是假肢中最重要和最关键的部件，它是连接残肢与假肢的腔体部件，接受腔制作的成功与否将影响整个假肢的功能。
With the peak-seeking servo-controlled technology based on a residual error, an external optical cavity can keep in resonance with the frequency of Ti-sapphire laser in the experiment.
基于有差伺服调节技术，实现了外置光学谐振腔的共振频率与钛宝石激光器工作频率的锁定。
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