If it's a very stiff frame then it may very well continue to be so until the end.
如果这是非常僵的氛围那它可能一直持续下去，直到结束。
2
At the moment, the camera has to be fitted to the end of a stiff, yet flexible cable. A soft, squishy robot, sufficiently small, could be an alternative.
目前这种内窥镜摄像头必须安装在可弯曲导线的末端固体上，可能被一种柔软、黏糊、足够小的机器人取代。
3
At the end they are given a stiff three-hour exam (sample question: Describe briefly the process followed in cleaning and sterilizing syrup lines and syrup tanks).