当然,纯核聚变反应堆也可能无法实现。
他寻找一个能够实现一定目的的反应。
实现链式反应是核能发电的前提。
做承诺时每个人都一样,而为实现承诺每个人的反应却各有各的不同。
Me are all alike in their promise. lt is only in their deeds that they differ.
做承诺时每个人都一样,而为实现承诺每个人的反应却各有各的不同。
Me are all alike in their promise. lt is only in their deeds that they differ.
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