The base area of the building is to show level of periphery of above of plinth of building ground floor is umbriferous area 房屋的基底面积是指建筑物底层勒脚以上外围水平投影面积。
2.
Mutual floor area still includes to cover with the midfeather between public construction , and outside wall ( include frontispiece ) the level is umbriferous the floor area of area half 共有建筑面积还包括套与公共建筑之间的分隔墙，以及外墙（包括山墙）水平投影面积一半的建筑面积。
3.
The company has stuff more than 800 , cover an area of 2 place , add up to 33000 square metre , have year of production 80 thousand taichun are advanced and optical the ability of 80 million microscope , of all kinds and optical component , wide application detects at medicine , education , industry the consumptive market such as domain and digital camera , mobile phone , umbriferous tv , scanner , the product sells past world each district 公司现有员工800余名，占地二处，共计33000平方米，拥有年生产八万台中高级光学显微镜、八千万件各类光学元件的能力，广泛应用于医学、教学、工业检测领域及数码相机、手机、投影电视、扫描器等消费市场，产品销往世界各地。
4.
Share the content of the area to include : path of elevator well , conduit well , stair well , rubbish , change between electric room , equipment , communal hallway , corridor , basement , be on duty gatehouse , and what serve for whole is communal the floor area that uses a room with room and management , with the level umbriferous area is calculated 共有面积的内容包括：电梯井、管道井、楼梯间、垃圾道、变电室、设备间、公共门厅、过道、地下室、值班警卫室等，以及为整幢服务的公共用房和治理用房的建筑面积，以水平投影面积计算。
