分析尺骨骨骨折内固定术中前臂旋转功能障碍的原因。
Analyse the causes of forearm rotation disfunctions with internal fixative operation in ulnoradial diaphyses fracture.
光束无法被固定在一点上被捕捉，这样只可以被用作为一种存储形式，而这也是很大的一个障碍。
That beams of light cannot be held stationary, and thus used as a form of memory store, is a big obstacle to doing this.
他们必须避开其他车辆、变换车道、转弯、进出停车站点，并应付一些固定物体的障碍——自始至终，都要遵守交通规则，并且车速要保持在限速之内。
They will have to avoid other cars, change lanes and make turns, get in and out of parking spots and deal with inanimate objects—all the while obeying traffic laws and staying within the speed limit.
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