1. If the scientists succeed, they will have taken a small step toward improving the efficiency of nuclear fusion devices. 2. Fourth-generation weapons such as particle and laser beams and pure fusion devices are not covered by the treaty. 3. Improving this ratio is a major goal of all magnetic confinement fusion devices. 4. Such qualms did not affect his eagerness to pursue a fusion device, something many scientists and government leaders opposed. |
每页显示:
共 4 句