This fear dates back to at least the invention of movable type.
这种担心可以追溯到至少是活字印刷术的出现。
Yates: Printing and movable type were certainly two of them.
答：印刷和活字印刷术肯定是这类发明中的两个。
Movable type equipment can be placed according to actual environment;
移动式设备，可根据实际环境放置；
Electromagnetic movable coil control rod drive mechanism is a new type drive mechanism.
可移动线圈电磁驱动机构是一种新型的反应堆控制棒驱动机构。
Electromagnetic movable coil control rod drive mechanism is a new type drive mechanism.
可移动线圈电磁驱动机构是一种新型的反应堆控制棒驱动机构。
应用推荐