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.
飞轮电池是一种新型储能装置，具有比能量高、比功率大、体积小、充电快、寿命长、无任何废气废料污染等特点。
Flywheel battery is a novel energy storage device which has many advantages: high specific energy and specific power, volume small, fast charge, long cycle life, non-pollution and so on.
研究了电磁成形大宽厚比板状件的感应加热特性，推导了电磁成形大宽厚比板状件单位体积感应加热功率公式。
The model of induction heating power for unit volume of plate-form part with big flakiness ratio was obtained.
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