同步 低频 整流器与推挽整流器相似.The synchronized low - frequency rectifier is similar to a push - pull rectifier.在低频燃烧响应的试验测定方面只做了很少的工作.Very little effort has been devoted to the experimental measurement of low frequency combustion re...
But this did not have to be the case.但这并非是必然的.As may well be the case, soil moisture was decreased.情况很可能是土壤中水分减少了.For the 2000 decennial census, that will no longer be the case.10年一次的人口普查又将在2000年举行....