但由于骨组织的复杂性，使成形精度的提高还存在诸多问题。
However, due to the complexity of bone tissue, there are many problems in improving the forming accuracy.
试验证明该喷头使成形工艺控制更加灵活，提高了成形零件的质量。
It is verified through test that this nozzle makes the control of forming technique more flexible and enhances the quality of formed parts.
这种类型的雪花，叫做扇形盘，当温度下降到华氏5度(——15摄氏度)使成形。
This type of snowflake, called a sectored plate, forms when the temperate dips below about 5 degrees Fahrenheit (-15 degrees Celsius).
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