Modeling steps: confirm design scheme, model parts, assemble part, edit unit store and make schedule drawing.
造型过程含确定设计方案、零件造型、零件装配、编辑零件库、生成工程图等步骤。
Ultracapacitors (which are also more expensive per energy unit than batteries), can store only about 5 percent of the energy of comparable lithium-ion batteries.
超级电容(单位能量比电池贵)只可以存储类似锂离子电池5%的电量。
Include a battery storage unit to store the solar and fuel cell power generated during the day for use at night.
l含有一个蓄电池组装置储存太阳能和在白天生成以备夜晚使用的燃料电池的电力。
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