有效面积 [数] effective area ; Active Area ; effective surface ; [建] useful area
芯片有效面积 chip real estate ; chireal estate
等效面积 equivalent area
炉膛有效面积 active furnace area
模具有效面积 Mould ; Mold
炉排有效面积 active grate area
炉底有效面积 active furnace area
天线有效面积 effective area of antenna ; [电讯] antenna effective area ; effective antenna area ; capture area of antenna
无效面积 Active Area ; invalid surface
大有效面积光纤 large effective-area fiber ; LEAF
他说，考虑到选区面积和众议院为议员租赁交通工具设定的能效标准，丰田汉兰达是合适的。
The Highlander was appropriate, he said, given the size of his district and House rules setting fuel-efficiency standards for leased vehicles.
这项技术在内蒙古北部沙漠大规模应用时或许能凑效，因为那里的土地便宜、面积大且需要肥料。
This might work on a large scale in the northern deserts of Inner Mongolia, where land is cheap, plentiful and in need of fertiliser.
电源管理产品出现了设计周期加快、占位面积减小、低待机功耗和高能效等特点。
Power management product presents a good many characteristics, such as a short design cycle, little occupied area, low power loses and high efficiency.
应用推荐