英语语法分析

In the United States, domestic weapons recycling programs are smaller in scale and would be no replacement for Megatons for Megawatts.

在美国，国内武器回收方案规模上小一点而且没有《百万吨核弹换百万瓦核电》的替代品。

In the event, it may have yielded 57 megatons - which would have made it just under four times as destructive as the Tunguska meteorite.

这次爆炸事件中，可能产生了5700万吨的爆炸力——使它所造成的破坏力大概仅次于通古斯流星爆炸的四倍。

The blast, which has been estimated at the equivalent of around 15 megatons of TNT is widely thought to have been caused by a meteor a few tens of metres across exploding in mid-air.

这次爆炸，其爆炸能量估计相当于约1500万吨的TNT，广泛认为是由跨度为数十米的一颗流星在半空中爆炸所造成的。