Based on analyzing the characters and abuses of existent model measurement techniques, it was presented a model measurement technique for complicated surfaceproduct.
在分析已有模型检测技术的特点及其弊端的基础上，提出了面向复杂曲面产品的模型检测技术。
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Until recently, Mars' color was thought to be a product of liquid water, which scientists think flowed over the planet's surface billions of years ago, rusting rocks.