Instead, ministers want to see a big expansion in the amount of energy Britain gets from the waves, the sun and the wind-especially offshore wind.
相反,大臣们希望看到英国从潮汐、太阳能、风能(尤其是海风)中实现电量增长。
The existence of higher order mode waves in expansion mufflers is proved theoretically.
从理论上推导了扩张室消声器内可能存在的高次波。
According to the shock theory, the ejecta produced by explosion form the pressure pulse, and it spreads in forms of either compression waves or expansion waves.
根据激波理论,爆炸产生压力脉冲并以压力波的形式传播,既有压缩波也有膨胀波。
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