1) perfect alignment
完全对中
3) per-symmetric
完全对称
1.
In this paper,we derive a per-symmetric positive definite Jacobi matrix and give sufficient conditions of unique solution as well as its numerical algorithm.
周树荃等人提出由两个特征对构造一完全对称Jacobi矩阵;廖安平等人提出由两个特征对构造一正定Jacobi矩阵。
4) perfect duality
完全对偶
5) These views are altogether wrong.
完全不对。
6) perfect target
完全中靶
1.
Based on the problems in directionally butted-wells,the author proposes measures to perfect target and improve the construction quality in the directionally butted and communicated brine wells.
文章针对定向对接连通井存在的问题,提出了提高定向对接连通采卤井完全中靶和施工质量的措施。
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