However, injection molding is a much complicated processing, the quality of lens is affected by a lot of factors thus is difficult to control.
但精密的注射成型却是一个复杂的过程，镜片的质量受到许多因素的影响。
It is difficult to meet the requirement of molding high precision optics plastic lens because the experience play an important role in the traditional plastic mold design and molding process.
传统的塑料模具设计及注射成型工艺参数对经验的依赖性较强，难以满足高精度光学塑料元件的成型需求。
Lens can be prepared and formed by molding including a cast molding process or a half cast molding process.
可通过模制制备及形成所述镜片，所述模制包括注模法或半注模法。
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