文章首先着眼于从POP3服务器（RFC1939）下载邮件。
The present first article focuses on the downloading of raw emails from a POP3 server (RFC1939).
本文首先着眼于产品特征关联设计的表征层面，即现象。
The thesis firstly focuses on the superficial level of cross-feature product design, which is the phenomenon.
这种方法以拉伐尔喷管内非对称流动理论为基础，首先着眼于减少气动偏心，然后考虑效率。
The method, based on the theory of non-symmetric flow in Lavol nozzle, aims first at the Angle of reducing the gas dynamic misalignment, and then at the Angle of efficiency.
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