这种齿轮齿条机构已被具体应用于仿生鱼尾推进船模的设计与制造，通过船模试水验证其功能是有效可靠的。
The provided gear and gear rack mechanism have been used to designing and manufacturing ship model pushed with imitating fish-tail, and has been tested reliable and useful by moving on water.
采用矩形侧浇口、齿轮齿条脱螺纹机构。
Rectangle-shape side gate and the gear-rack taking off thread mechanism were used.
通过对有内螺纹的塑件结构分析，确定采用齿轮齿条机构脱模的模具结构。
Through analyzing the structure of plastics with inner screw, determined mold structure with gear and rack stripping screw mechanism.
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