采用一般的平均收缩率方法来确定模具型腔的成型尺寸，已难以满足精密注塑成型制品的精度要求。
Using average shrinkage rates of injection-molded parts to decide the dimension of mold cavity can not satisfy the demand of high precision injection-molded parts.
在机械设计中，装配尺寸链的组成环公差，一般是采用等公差法或等精度法来确定。
During machine design, tolerance of unit ring in assembly dimension chain is usually determined by using either equal tolerance or equal accuracy method.
传统的船舶靠泊方式一般采用声纳靠泊，但是声纳探测速度较慢，精度不够准确。
The traditional way of general use sonar ships berthing alongside the slower but sonar, precision is not accurate enough.
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