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1·Automotive BIW is an important part of a car and also the carrier of automotive parts.

汽车白车身是汽车的重要组成部分，是整个汽车零部件的载体。

2·Dispersing the whole BIW with 3d shell elements of 3 or 4 nodes created the fine FEM model.

采用3节点或4节点空间板壳单元离散整个白车身，建立了细化力学模型。

3·BIW dimensional accuracy has been an important point concerned by auto industry and academy.

汽车白车身尺寸精度是汽车工业界和学术界关注的重要课题。

4·Abstract: In the automotive industry, sheet stamping is applied on BIW, chassis and exhaust system.

摘 要： 在汽车上，车身、底盘及排气系统大量使用冲压件。

5·EMA on a car body-in-white (BIW) is conducted using both PolyMAX and least squares complex exponent method (LSCE) with their results compared and analyzed.

分别采用最小二乘复频域法和最小二乘复指数法对某轿车白车身进行了实验模态分析并对其结果进行比较和分析。

6·In DB2, performance optimization is targeted to large databases, such as SAP Business Information Warehouse (BIW), while SQL optimization aims to improve query times.

在DB 2中，性能优化主要针对大型数据库，如SAP Business Information Warehouse (BIW)；而SQL优化的目标则是为了缩短查询时间。

7·An optimization model for the body-in-white (BIW) of a commercial vehicle cab is set up with natural frequency as constraint and minimizing the volume of welding spots as the objective.

为某一商用车驾驶室白车身建立了以固有频率为约束条件，焊点体积最小化为目标的优化模型。