体积小和消耗功率低，这两个重要因素使晶体管比电子管优越。
Small size and low power consumption are the two important factors that make transistors preferable to electron tubes.
由于受到译码复杂度的限制，理论上在功率和带宽性能上比t CM更先进的CPM技术，其最佳接收技术在实际应用中落后于tcm。
Beause of high decoding complexity, optimum receiving technology of CPM, though theoretically better than that of TCM in power and band efficiency, lags behind TCM technology in practical use.
高比能量和高比功率且价廉的碱性锌锰电池倍受人们关注。
Alkaline zinc manganese dioxide batteries have been paid much attention to because of high specific energy, specific power and low cost.
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