“The tumors that we treat are always moving targets,” he says. “That’s particularly true in the lung, where because of breathing motion, the tumors are constantly moving.”
Mat Smith for Engadget。关于这个话题，新收录的资料提供了深入分析
，更多细节参见新收录的资料
/tmp → /sysroot/tmp。新收录的资料对此有专业解读
Launch had been planned for early February, but it was delayed to repair a hydrogen leak and, more recently, to give engineers time to fix a helium pressurization problem in the rocket's upper stage. Launch is now on hold until at least April 1.