1) beat-length measurement
拍长测试
1.
The principle of optical coherence domain polarimetry was demonstrated and the beat-length measurement equation was derived.
基于光相干域偏光测试技术,提出了一种高精度的保偏光纤拍长测试方法,实现了不同结构、不同尺寸保偏光纤的拍长测试。
2) Beat length measurement
拍长测量
3) beat measuring apparatus
拍频测试仪
5) extended well testing
延长测试
1.
This paper introduces the overall plan and characteristics of extended well testing used in BoHai oil fields.
介绍在渤海海域油田中进行延长测试的总体方案、测试设施的组成、特点及其运用情况。
6) Measurement in site
长期测试
补充资料：长拍
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参考词条