对注塑模具CAD系统的开发进行了初步的尝试。
This paper introduces the development of CAD system for injection mold.
对现代免疫算法在裂纹定量辩识上的应用进行了初步的尝试。
As an elementary attempt, the modern immune algorithm (IA) is employed to tackle the quantitative crack identification.
但目前国内尚无相关的具体规定，本文在这些方面做了初步的尝试。
But presently we have no concrete prescript in the field. This thesis is trying to solve this problem.
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