The current development of material science and processing technology has greatly accelerated its practical applications.
近年来，材料科学及加工工艺的飞速发展大大促进了非球面化的实际应用。
Therefore, developing ultra-precision processing technology manufacturing technology development is the main objective of all countries.
因而，开发超精细加工技术是各国制造技术开展的次要目的。
Therefore, developing ultra-precision processing technology manufacturing technology development is the main objective of all countries.
因而，开发超精细加工技术是各国制造技术开展的次要目的。
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