结果表明，细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大，改善该区域的韧性。
The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.
农村原蚕分户制种微粒子病抽样检查方法是近年来家蚕微粒子病检疫急需解决的新课题。
The method of pebrine sampling inspection for household eggs production in parent silkworm rearing area is a new subject to be solved on pebrine quarantine of silkworm.
在全面分析农村原蚕微粒子病批内分布状况的基础上，提出了农村原蚕分户制种微粒子病抽样检查方案，包括并户检查和分户检查两个步骤。
Based on a general analysis of distribution of pebrine in batch of parent silkworm rearing area, we put forward this scheme, including incorporative inspection and separate inspection.
在全面分析农村原蚕微粒子病批内分布状况的基础上，提出了农村原蚕分户制种微粒子病抽样检查方案，包括并户检查和分户检查两个步骤。
Based on a general analysis of distribution of pebrine in batch of parent silkworm rearing area, we put forward this scheme, including incorporative inspection and separate inspection.
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